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MLB Picks Today (September 23, 2026): 16 Games, Value Leans & Best Lines

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Written by BetMan5000

September 23, 2026

MLB picks today for September 23, 2026: all 16 games on the board with a straight winner pick on each, plus the best number we could find across the major books — plus first-inning YRFI/NRFI leans for every matchup with confirmed starters. No standout value on today’s board — the market is pricing these tight, so shop the reference numbers below.

BetMan5000
BetMan’s Gut Pick
Chicago White Sox @ Kansas City Royals — Kansas City Royals

This is basically a coin flip and Kansas City’s catching plus money for it at home, that’s free value sitting on the table. I’ll take the near even-money dog every time in a spot this tight.

Gut, not gospel — the value board is the math.

Full MLB Slate

TimeMatchupPickTotalBest numberStarters1st inning
1:11 PM ETWashington Nationals @ Detroit TigersDetroit Tigers (59%)Over 7.5 (55%)Washington Nationals +154 (FanDuel)Richard Lovelady (3.86 ERA) v Framber Valdez (4.06 ERA)YRFI▲ (60%)
1:36 PM ETToronto Blue Jays @ Baltimore OriolesBaltimore Orioles (54%)Over 7 (54%)Toronto Blue Jays +112 (BetRivers)TBD—
3:46 PM ETMinnesota Twins @ San Francisco GiantsSan Francisco Giants (50%) MODEL FLIPOver 7.5 (54%)San Francisco Giants +128 (FanDuel)Connor Prielipp (4.94 ERA) v Cesar Perdomo (3.72 ERA)YRFI▲ (56%)
6:36 PM ETToronto Blue Jays @ Baltimore OriolesBaltimore Orioles (54%)Under 8.5 (57%)Toronto Blue Jays +105 (BetMGM)TBD—
6:41 PM ETMilwaukee Brewers @ Philadelphia PhilliesMilwaukee Brewers (60%)Under 7.5 (52%)Philadelphia Phillies +125 (BetRivers)Logan Henderson (2.51 ERA) v Aaron Nola (4.49 ERA)NRFI▲ (63%)
6:41 PM ETSt. Louis Cardinals @ Pittsburgh PiratesPittsburgh Pirates (57%)Over 7.5 (52%) FLIPSt. Louis Cardinals +106 (LowVig.ag)Matthew Liberatore (5.36 ERA) v Lake Bachar (3.56 ERA)YRFI (52%)
7:06 PM ETTampa Bay Rays @ New York YankeesNew York Yankees (59%)Over 6.5 (53%) FLIPTampa Bay Rays +136 (BetOnline.ag)Ian Seymour (4.38 ERA) v Gerrit Cole (3.63 ERA)NRFI▲ (60%)
7:11 PM ETCleveland Guardians @ Boston Red SoxBoston Red Sox (59%)Over 6.5 (53%)Cleveland Guardians +118 (LowVig.ag)Foster Griffin (3.67 ERA) v Sonny Gray (2.82 ERA)NRFI▲ (59%)
7:16 PM ETCincinnati Reds @ Atlanta BravesAtlanta Braves (73%)Under 7.5 (52%)Cincinnati Reds +227 (BetOnline.ag)Andrew Abbott (4.70 ERA) v Chris Sale (2.18 ERA)NRFI▲ (58%)
7:41 PM ETChicago White Sox @ Kansas City RoyalsChicago White Sox (57%)Under 8.5 (52%) FLIPKansas City Royals +103 (BetOnline.ag)Bryan Hudson (3.03 ERA) v Seth Lugo (5.06 ERA)YRFI▲ (57%)
7:41 PM ETMiami Marlins @ Chicago CubsChicago Cubs (61%)Over 6.5 (61%)Chicago Cubs -167 (BetOnline.ag)Ryan Gusto (4.14 ERA) v Kevin Gausman (4.55 ERA)YRFI (55%)
8:06 PM ETNew York Mets @ Texas RangersTexas Rangers (52%)Under 7.5 (50%) FLIPTexas Rangers -105 (BetUS)TBD—
8:41 PM ETArizona Diamondbacks @ Colorado RockiesArizona Diamondbacks (57%)Under 11 (54%) FLIPArizona Diamondbacks -150 (BetOnline.ag)Merrill Kelly (5.00 ERA) v Mason Adams (5.09 ERA)YRFI▲ (64%)
9:41 PM ETLos Angeles Angels @ AthleticsLos Angeles Angels (58%)Under 9.5 (57%)Athletics +116 (FanDuel)Walbert Ureña (2.74 ERA) v Jeffrey Springs (6.18 ERA)YRFI (53%)
10:11 PM ETSan Diego Padres @ Los Angeles DodgersLos Angeles Dodgers (67%)Under 8 (56%) FLIPSan Diego Padres +192 (BetOnline.ag)Robbie Ray (3.60 ERA) v Yoshinobu Yamamoto (2.51 ERA)NRFI▲ (64%)
10:11 PM ETHouston Astros @ Seattle MarinersSeattle Mariners (54%)Over 7.5 (50%)Seattle Mariners -135 (LowVig.ag)Ethan Pecko (3.77 ERA) v George Kirby (4.24 ERA)YRFI (53%)

Over / Under Board

  • Over 6.5 — Miami Marlins @ Chicago Cubs: our number is 8.46, so we make it 61% to land over.
  • Under 9.5 — Los Angeles Angels @ Athletics: our number is 8.26, so we make it 57% to land under.
  • Under 8.5 — Toronto Blue Jays @ Baltimore Orioles: our number is 7.46, so we make it 57% to land under.
  • Under 8 — San Diego Padres @ Los Angeles Dodgers: our number is 6.71, so we make it 56% to land under — against the posted total.
  • Over 7.5 — Washington Nationals @ Detroit Tigers: our number is 8.24, so we make it 55% to land over.
  • Under 11 — Arizona Diamondbacks @ Colorado Rockies: our number is 10.27, so we make it 54% to land under — against the posted total.

YRFI / NRFI Leans

BetMan5000
BetMan’s First-Inning Call
YRFI — Arizona Diamondbacks @ Colorado Rockies

Highest number on the board and the starters back it up, Kelly and Adams are both scuffling with ERAs over 5 and this is Coors Field to boot. Give me a first inning run here, no thinking required.

One call with a little feel behind it — the full board below is the math.
  • YRFI Washington Nationals @ Detroit Tigers — 60% chance of a first-inning run (Richard Lovelady (3.86 ERA) vs Framber Valdez (4.06 ERA))
  • YRFI Minnesota Twins @ San Francisco Giants — 56% chance of a first-inning run (Connor Prielipp (4.94 ERA) vs Cesar Perdomo (3.72 ERA))
  • YRFI St. Louis Cardinals @ Pittsburgh Pirates — 52% chance of a first-inning run (Matthew Liberatore (5.36 ERA) vs Lake Bachar (3.56 ERA))
  • NRFI Milwaukee Brewers @ Philadelphia Phillies — 63% chance the first inning stays scoreless (Logan Henderson (2.51 ERA) vs Aaron Nola (4.49 ERA))
  • NRFI Tampa Bay Rays @ New York Yankees — 60% chance the first inning stays scoreless (Ian Seymour (4.38 ERA) vs Gerrit Cole (3.63 ERA))
  • NRFI Cleveland Guardians @ Boston Red Sox — 59% chance the first inning stays scoreless (Foster Griffin (3.67 ERA) vs Sonny Gray (2.82 ERA))
  • NRFI Cincinnati Reds @ Atlanta Braves — 58% chance the first inning stays scoreless (Andrew Abbott (4.70 ERA) vs Chris Sale (2.18 ERA))
  • YRFI Chicago White Sox @ Kansas City Royals — 57% chance of a first-inning run (Bryan Hudson (3.03 ERA) vs Seth Lugo (5.06 ERA))
  • YRFI Miami Marlins @ Chicago Cubs — 55% chance of a first-inning run (Ryan Gusto (4.14 ERA) vs Kevin Gausman (4.55 ERA))
  • YRFI Arizona Diamondbacks @ Colorado Rockies — 64% chance of a first-inning run (Merrill Kelly (5.00 ERA) vs Mason Adams (5.09 ERA))
  • YRFI Los Angeles Angels @ Athletics — 53% chance of a first-inning run (Walbert Ureña (2.74 ERA) vs Jeffrey Springs (6.18 ERA))
  • NRFI San Diego Padres @ Los Angeles Dodgers — 64% chance the first inning stays scoreless (Robbie Ray (3.60 ERA) vs Yoshinobu Yamamoto (2.51 ERA))
  • YRFI Houston Astros @ Seattle Mariners — 53% chance of a first-inning run (Ethan Pecko (3.77 ERA) vs George Kirby (4.24 ERA))

New to first-inning markets? Start with our guide: NRFI and YRFI, explained.

How we read these boards: how to read a matchup.

The Pick comes from our power ratings — season scoring differential, strength-adjusted matchup math, and home edge — blended with the market’s no-vig fair price; the number shown is that blend’s win probability. The Total is built the same way: we estimate each side’s scoring from what these teams score and concede (for baseball, adjusted for the listed starters and the ballpark), recentre that estimate against the day’s posted numbers so a modelling bias can’t tilt the whole board, and compare it to the line. A MODEL FLIP means our ratings like the side the market has as the underdog. A “VALUE” tag is a different thing: it means the best available number beats the fair price by 3–12% (sometimes that value sits on the side we don’t pick to win — a good price and a likely winner aren’t always the same bet). These are leans, not locks — decision support for bets you were already considering, on whatever book or market you use. Lines move; check the current number before you do anything.

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BetMan5000 is the voice of BetSlate — breaking down the matchup stats, bet types, and market prices behind smarter wagering. Book-agnostic and additive by design, more interested in the numbers than the noise.

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