Welcome to Fantasy Alarm's MLB DFS picks and daily fantasy playbook for Sunday, September 20th. Our MLB DFS projections combine advanced pitching metrics, platoon splits, strikeout prop data, and ownership positioning to identify the sharpest plays on every slate. Whether you are targeting DFS Projections, running lineups through our DFS Optimizer, tracking ownership trends, or checking confirmed lineups, Fantasy Alarm has the tools to sharpen your edge. 

Today's slates have multiple different directions with some quality pitchers in Cristopher Sanchez, Gavin Williams, Jacob deGrom, and Hunter Brown all taking the mound. This MLB DFS playbook covers every key position on DraftKings and FanDuel with our best MLB DFS picks for today.

Slate: 10-Games on DK, 9-games on FD | Lock Time: 1:10 pm ET, Sunday, September 20th, 2026

Vegas Totals: SEA/COL (highest-projected game), CHC/CIN (second-highest game total), KC/PIT & DET/CWS (tied for third-highest game total)

Highest K-Projections: Gavin Williams 7.5 O/U (-110), Cristopher Sanchez 6.5 O/U (+112), Hunter Brown 6.5 O/U (+123), Jacob deGrom 5.5 O/U (-122), Quinn Mathews 5.5 O/U (+102)

MLB Weather Today, 9/20

Phillies vs Mets - There's a lot of rain in the forecast of this game. There's probably a delay in the forecast.

Tigers vs White Sox - This is the riskiest game of the slate as they could either play through rain or PPD it.

MLB DFS Lineup Picks: Starting Pitchers

MLB DFS Top Pitchers

MLB DFS Value Pitchers

Top Options For Strikeouts

K-prop lines and value ratings are incorporated below for DFS and prop context. These are the arms building the highest strikeout ceilings on the 9-game slate.

Our model identifies these arms as the highest-ceiling plays for Alt-K lines today:

Gavin Williams: 33.3% K% (12.2 K/9)

Jacob deGrom: 31.2% K% (11.3 K/9)

Hunter Brown: 27.1% K% (10.2 K/9)

Cristopher Sanchez: 26.7% K% (10 K/9)

Griffin Jax: 25.6% K% (9.5 K/9)

Best Odds For A Win

The following MLB DFS picks offer a combination of favorable win odds, sustainable ERA and xFIP metrics, and soft opponent matchups. Each carries K-prop lines worth noting alongside their DFS value at reduced ownership relative to the top tier.

MLB DFS Lineup Picks: Stacks & Hitters

MLB DFS Top Hitters

MLB DFS Value Hitters

MLB DFS Top Stacks

Primary Stack: Seattle Mariners vs Tomoyuki Sugano (COL RHP)

Targets: Randy Arozarena, Cal Raleigh, Dominic Canzone, J.P. Crawford, Cole Young, Josh Naylor

Primary Stack: Chicago Cubs vs. Rhett Lowder (CIN RHP)

Targets: Pete Crow-Armstrong, Michael Busch, Alex Bregman, Ian Happ, Seiya Suzuki

Primary Stack: St. Louis Cardinals vs Jake Irvin (WAS RHP)

Targets: Alec Burleson, Leo Bernal, Bryan Torres, JJ Wetherholt, Jordan Walker

“Contrarian” Stack: Cleveland Guardians vs Jack Perkins (ATH RHP)

Targets: Travis Bazzana, Chase DeLauter, Jose Ramirez, Nathaniel Lowe, Angel Martinez, Steven Kwan

“Contrarian” Stack: Colorado Rockies vs Kade Anderson (SEA LHP)

Targets: Hunter Goodman, Connor Norby, Jordan Beck, Kyle Karros, Cole Carrigg

MLB DFS Lineups: Core MLB DFS Hitters & Pitchers

The "Chalk" (Popular)

The "Pivot" (Low

Owned)

Jax (SP, chalk)Mathews (SP, lower owned)
Mariners (Chalk)Guardians (pivot stack)
Rodriguez + Raleigh (chalk)Bazzana + DeLauter (lower owned)

 

 

 

 

 

 

 

The foundation for every MLB DFS lineup you build today. These are the core MLB DFS picks by position across DraftKings and FanDuel.

  1. Gavin Williams(SP1)
  2. Quinn Mathews (SP2)
  3. Randy Arozarena (Core Bat)
  4. Dominic Canzone (Core Bat)
  5. Travis Bazzana (Core Bat)
  6. Cole Young (Core Value Bat)
  7. Leo Bernal (Core Value Bat)

Player Pool

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Stacks

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