MLB DFS Live Before Lock Picks: July 21, 2026
July 21, 2026
MLB DFS Live Before Lock Picks: July 21, 2026
Chase Burns (CIN) opens the board as the priciest arm on the slate, and he's only that expensive because two games were already off the Tuesday main before Eric Lindquist opened MLB DFS Live Before Lock: a Northeast weather system washed out the Pirates-Yankees and Orioles-Red Sox games and scratched a scheduled Yankees starter hours earlier. That single change reshaped the entire pitcher pool, and it's why tonight isn't a jam-one-arm night. There's no pitcher clearing 40% of the field, which means the real edge sits in how the pool gets split up. That same instinct, spreading eight different arms between 10% and 40% of his lineups, is what pushes Lindquist to build both sides of two separate games instead of picking a lane. Keep that in mind, because it pays off twice: once in Miami-Houston, and once in the Coors Field game that turns out to be the same matchup as the slate's most obvious stack.

Chase Burns — one of the featured players on today's slate.
In Summary
- Chase Burns (CIN) is the priciest arm on the board at $11,500 on DraftKings against the Seattle Mariners, and still the highest-owned, but with the field's best strikeout arm this expensive, Lindquist is capping his own exposure and funding the rest of the pool with cheap strikeout bets instead of chasing him.
- Kumar Rocker (TEX) is the Stokastic Sims' No. 1 simulated-ROI pitcher on the slate. His swinging-strike rate is up roughly 4 percentage points over his last four starts even though the raw stuff still grades out modestly: real in-season improvement, not name value. He's in about 25% of Lindquist's builds.
- David Peterson (CHC) at $5,500 is the Sims' No. 2 simulated-ROI arm, helped by wind blowing in at Wrigley Field against a Detroit Tigers lineup that only really threatens him with two left-handed bats.
- Framber Valdez (DET) is the FanDuel angle: a 17.5-outs prop that's unusually high for this slate (most starters are sitting at 14.5-15.5) at just 7% ownership, with that same Wrigley wind working in his favor.
- Both Sides Of Miami Marlins-Houston Astros Are Live. Tatsuya Imai (HOU) has a 31% strikeout rate against the righty bats up top in Miami's order, but he's also given up a .385 expected wOBA on the season, which is why Kyle Stowers (MIA) at just $4,000 on FanDuel is one of Lindquist's favorite value bats of the night.
- The Washington Nationals-Colorado Rockies Game At Coors Field Is The Slate's Highest-Owned Stack In Both Directions. Nationals bats attack the brutal reverse platoon split carried by Michael Lorenzen (COL), while Mickey Moniak (COL) is Lindquist's favorite low-owned, single-entry Coors piece.
- Home Run Plays: Hunter Goodman (COL) is the board's clear favorite by price and probability, with Shea Langeliers (ATH) and Mike Trout (LAA) close behind. Lindquist's fired bets tonight: Langeliers at +360, Bo Bichette (NYM) at +900 and Moniak, with Logan O'Hoppe (LAA) graded as the sharpest number on the board he hadn't pulled the trigger on by air time.
Watch The Video
Eric Lindquist runs the full DraftKings-to-FanDuel build live below, exposure clicks and all, right up to Tuesday's lock.
Why The Pitcher Pool Is Wide Open Tonight
Before the rainouts, the Stokastic Perfect Lineup had already zeroed in on Luis Castillo (SEA) and Matthew Liberatore (STL) as the slate's headliners. Losing Will Warren and the two Northeast games didn't just remove innings. It removed the kind of chalk that normally anchors a build, which is why Chase Burns jumps to the top of ownership almost by default. Burns takes on a Seattle Mariners lineup (Cal Raleigh, Josh Naylor, J.P. Crawford) that strikes out at an elite clip against right-handed pitching, and he's one of the only arms on the board with a full-strength strikeout prop instead of a suppressed one. The problem is the price: $11,500 with zero discount for pitching on the road. Lindquist still likes him, and he's Lindquist's stated SP1, but "the field's best strikeout arm is also the field's most obvious click," which is exactly the setup that makes flipping some of the build to cheaper strikeout arms the right math tonight.
| Pitcher | Team | Salary (DK) | Matchup | The read |
|---|---|---|---|---|
| Chase Burns | CIN | $11,500 | at Seattle Mariners | Best K arm on the slate, but priced with zero discount for the road start; capped, not chased |
| Kumar Rocker | TEX | Cheap | vs. Chicago White Sox | Sims' No. 1 simulated ROI; swinging-strike rate up ~4 points over his last four starts |
| David Peterson | CHC | $5,500 | vs. Detroit Tigers | Sims' No. 2 simulated ROI; wind blowing in at Wrigley, only two real lefty bats to fear |
| Drew Rasmussen | TB | — | at Toronto Blue Jays | Rougher last two starts by results, but the underlying stuff still grades out elite |
| Brandon Sproat | MIL | $7,300 | vs. New York Mets | No real platoon hole (25% K vs. LHB, 22.5% vs. RHB); Lindquist's SP1 in several builds |
That table's real story is the gap between Rocker and Burns: Rocker is projected as the No. 1 simulated-ROI arm on a slate where the priciest pitcher is nearly double his salary, and the swinging-strike trend is the tell that it isn't just a salary-relief dart. Peterson tells almost the same story a click cheaper. The wind at Wrigley is doing real work for a pitcher Lindquist is upfront about not rating as "good," because the matchup (Detroit's lineup only really threatens him through Riley Greene and one other left-handed bat) and the park factor are funding the rest of the roster regardless of the raw stuff. Drew Rasmussen is the deeper, lower-owned bet: Lindquist says he has more conviction in him than the Sims currently show, built on the idea that two bad results in a row haven't actually changed what the pitch quality says.
Build tonight's board before you lock anything. See where the field is actually landing on Burns, Rocker and Peterson in the Stokastic MLB DataHub, the same projections and ownership data the show uses live. Code MLBLBL takes 15% off any DFS or Props package: get the discount.
Both Sides Of Miami-Houston: Imai's Strikeouts And Miami's Platoon Payback
This is the game Lindquist keeps coming back to, and it's the first payoff of that "spread the pool" instinct from the top of the show. Tatsuya Imai (HOU) has struck out 31% of the right-handed bats he's faced this season, and Miami sends three of them up top tonight in Otto Lopez (MIA), Kyle Stowers (MIA) and Heriberto Hernández (MIA) before the order turns over to a lefty-heavy bottom anchored by switch-hitter Xavier Edwards (MIA). That's a real strikeout source for Imai builds. The other half of the same read: Imai has also allowed a .385 expected wOBA this season, mostly walks and hard, high-launch contact, which is exactly why Lindquist is stacking Miami's bats right back into him. Kyle Stowers, at just $4,000 on FanDuel, is the headliner of that side: a 32% strikeout rate that would normally scare a DFS player off, paired with real, growing raw power that keeps generating swing-and-miss contact instead of empty outs. The whole Miami look is sitting at under 5% ownership, which Lindquist calls disingenuous for a slate this saleable.
Both Sides Of Arizona-Athletics: A Cheap Lefty And A Volatile Righty
The same structure shows up again across the country. Jack Perkins (ATH) has real strikeout stuff against left-handed bats and a climbing 27.5% strikeout rate against righties over the last month, but he's also given up a .225 expected isolated-power mark to lefties and a .237 actual ISO to righties: a genuinely volatile arm, not a clean strikeout arm. That volatility is exactly why the Arizona Diamondbacks stack on the other side of the same game is one of Lindquist's top four or five builds tonight: Corbin Carroll (AZ), Ketel Marte (AZ), Geraldo Perdomo (AZ) and Gabriel Moreno (AZ) anchor it on DraftKings, with Max Kepler (AZ) and Adrian Del Castillo (AZ) as the cheap complementary pieces. Arizona is pulling only about 4.3% ownership on DraftKings despite that profile. On the other side of the ball, Arizona's own home starter, Kohl Drake (AZ), is a left-hander Lindquist expects to get hit hard by an Athletics lineup fronted by Shea Langeliers (ATH) and a sub-$4,000 Jacob Wilson (ATH) look on FanDuel.
The Highest-Owned Stack Of The Night Is Two Stacks In One Game
Here's the callback: the Washington Nationals-Colorado Rockies game at Coors Field isn't two separate stack ideas competing for salary. It's the same matchup pulling ownership from both directions, and together the two teams made up roughly 60% of the Sims' first 150-lineup run. Michael Lorenzen (COL) is a genuine platoon casualty against left-handed bats: a .421 expected wOBA and a .251 expected ISO allowed to lefties this season, under 3.5 strikeouts projected tonight. Washington sends seven left-handed or switch-hitting bats up against him, led by James Wood (WSH), Daylen Lile (WSH) and Curtis Mead (WSH), who's been bumped into the five-hole today only. Luis García Jr. (WSH) at $5,500 carries pinch-hit risk once Lorenzen exits, but Lindquist is fine taking his three at-bats against Lorenzen directly. CJ Abrams (WSH) is the shortstop chalk, with cheaper complementary bats like Keibert Ruiz (WSH) and Jacob Young (WSH) rounding out a build that doesn't require paying up for every expensive bat in the lineup to work.
On the other side of that same first pitch, Mickey Moniak (COL) is the one-off Lindquist keeps circling: he avoids most of the single planned inning from Washington opener Carson Palmquist (WSH), batting seventh, and he's sitting at just 9% ownership at $5,700 on DraftKings ($3,600 on FanDuel). Hunter Goodman (COL) and TJ Rumfield (COL) round out the Rockies side as the more chalky pieces of the same Coors Field game.
Worked Example: Building The Pitcher Pool From The Top Down
Start with Chase Burns, the same way the show does: he's still the anchor at roughly 20-30% of the pool because the raw strikeout upside is real even at full retail. From there, the money goes to conviction, not price. Kumar Rocker gets bumped to around 25% off the strength of that swinging-strike trend, and David Peterson follows close behind near 23% on the Wrigley wind plus the $5,500 salary relief it funds. Drew Rasmussen and Brandon Sproat each get roughly 10% as the "the stuff is better than the results" bets, and Luis Castillo (SEA) gets a real look against a Cincinnati Reds lineup that owns one of the league's highest strikeout rates against right-handed pitching — but only up to a point. Once Castillo's own field ownership starts pushing toward 30%, Lindquist backs off rather than jam a lineup that already has a clear public number attached to it, and the salary instead spreads into Framber Valdez and Jack Perkins as lower-owned tournament pivots. That's the whole build in miniature: pay for the arm you trust most, then let ownership, not just projection, decide where the rest of the salary goes.
The Home Run Board
Lindquist splits home run plays into two buckets, and they aren't the same list. By pure price-and-probability — the market's own read on who's most likely to actually go deep tonight — it's Hunter Goodman (COL), priced inside a plus-200 break-even by his own model with some books still offering plus-220, Shea Langeliers (ATH) close behind, and Mike Trout (LAA) rounding it out, a number that kept shortening through the show. The second bucket is where the market is mispricing something, and it's a shorter list of bets he actually fired: Bo Bichette (NYM) at plus-900, which Lindquist calls a genuinely oversized number for a hitter with nine home runs already this season, and Mickey Moniak (COL). He'd already bet Langeliers earlier in the day at plus-360, a price that's since drifted to plus-325 — good enough to hold, not good enough to add to right now. The number he graded highest but hadn't pulled the trigger on by air time: Logan O'Hoppe (LAA) against Matthew Liberatore (STL) at plus-700.
FanDuel: Arizona Runs Away With It
FanDuel's stack math tilts even further toward Arizona than DraftKings does — it's the top team in over a third of the Sims' simulations, built around Corbin Carroll, Ketel Marte, Geraldo Perdomo and a rotating complementary piece like Jacob Wilson. Washington still shows up as a two- or three-man piece rather than the full seven-man look from DraftKings, usually paired with Mickey Moniak as the single off-piece — at $3,600, he uses up a fraction of the salary that Goodman or Langeliers would, and he still gets two at-bats against a right-hander before Palmquist's opener duties end. Framber Valdez remains the pitching value: 17.5 outs is a genuinely uncommon number on a slate full of 14.5s and 15.5s, and the same wind blowing in at Wrigley that helps Peterson on DraftKings is doing the same work for Valdez's outs prop here, even with a fly-ball rate that's ticked up from his career norm.
The Through-Line: Spread The Pool, Then Stack Both Sides
Every read tonight traces back to the same idea that opened the show: with no single pitcher clearing 40% ownership, the edge is in how the pool gets divided, and that same instinct is what turns two individual games into four separate builds. Imai's strikeouts fund one side of Miami-Houston while Miami's platoon numbers fund the other. Jack Perkins' volatility is the whole case for the Arizona stack sitting across from him. And the Coors Field game isn't really two stacks — it's one matchup with value on both ends, from Washington's lefty-heavy attack on Lorenzen to Moniak's low-owned angle against Palmquist. That's the version of this slate Lindquist is building toward: pay for one true strikeout arm, let the platoon and park numbers do the rest of the work, and don't be afraid to roster both dugouts in the same game when the matchup actually supports it. For more on flipping a build away from the field's obvious click, see our MLB DFS contrarian strategy guide, and our MLB DFS stacking guide covers how to size a both-sides build like Miami-Houston. For the prior board, see the July 19 Live Before Lock recap.
FAQ
Who are the top MLB DFS pitchers for July 21? The priciest and highest-owned arm is Chase Burns (CIN) at $11,500 against Seattle, but Kumar Rocker (TEX) and David Peterson (CHC) are the Sims' top two simulated-ROI plays, with Drew Rasmussen (TB) and Brandon Sproat (MIL) rounding out the cheaper pool.
What is the best MLB DFS stack on July 21? The Washington Nationals-Colorado Rockies game at Coors Field is the slate's highest-owned stack in both directions, with Washington attacking the lefty platoon split carried by Michael Lorenzen (COL) and Mickey Moniak (COL) standing out as a low-owned Rockies piece.
Why are both sides of Miami-Houston in play? Tatsuya Imai (HOU) has a 31% strikeout rate against Miami's right-handed bats, but he's also allowed a .385 expected wOBA on the season, which is why Kyle Stowers (MIA) at $4,000 on FanDuel is a favorite value bat on the other side of the same matchup.
Where can I build these MLB DFS lineups myself? The Stokastic MLB DFS Sims, Top Stacks and ownership projections live in the Stokastic MLB DataHub, the same tools used on the show.
Build Your Own Lineups
Everything on today's show ran through the Stokastic MLB DFS Sims: build the player pool, filter to your pitchers, see which stacks the Sims keep building around, and grade your lineup before lock. Try it on tonight's board. Code MLBLBL takes 15% off any DFS or Props package: get the discount.
