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MLB · Sun, Sep 20 · 2:15 PM

Nationals at Cardinals

O/U 8.5 · RL Cardinals -1.5 · Busch Stadium

GARY'S PICK
Cardinals Moneyline
MLBvs Nationals· -130

Cardinals
Moneyline

-130 · CASHED · WSH 3 · STL 5

Nationals

The pick & result

Published pick
Cardinals ML -130
Published odds
-130
Result
Won
Final score
3-5

Odds are the American price printed with this pick, not a current offer. Wins, losses and pushes remain on the public record; a missing grade is not a win.

The line

FANATICS · 11 moves
MarketOpened
Sep 19 11:14 PM
Close
Sep 20 1:50 PM
Move
SPREADCardinals -1.5 (+140)Cardinals -1.5 (+155)Price
TOTAL9 (-110)8.5 (-120)−½
MONEYLINECardinals -145Cardinals -125+20
Every move, in order ›
WhenSpreadTotalMoneyline
OPENSep 19 11:14 PMCardinals -1.5 (+140)9 (-110)Cardinals -145 · Nationals +120
Sep 20 1:01 AMCardinals -1.5 (+135)9 (-110)Cardinals -145 · Nationals +120
Sep 20 6:00 AMCardinals -1.5 (+140)9 (-110)Cardinals -145 · Nationals +120
Sep 20 7:15 AMCardinals -1.5 (+135)9 (-110)Cardinals -145 · Nationals +120
Sep 20 10:30 AMCardinals -1.5 (+150)8.5 (-115)Cardinals -130 · Nationals +110
Sep 20 10:59 AMCardinals -1.5 (+150)8.5 (-120)Cardinals -130 · Nationals +110
Sep 20 11:23 AMCardinals -1.5 (+145)8.5 (-115)Cardinals -130 · Nationals +110
Sep 20 11:30 AMCardinals -1.5 (+150)8.5 (-120)Cardinals -125 · Nationals +105
Sep 20 12:10 PMCardinals -1.5 (+150)8.5 (-120)Cardinals -130 · Nationals +110
Sep 20 12:40 PMCardinals -1.5 (+155)8.5 (-120)Cardinals -130 · Nationals +110
Sep 20 12:55 PMCardinals -1.5 (+150)8.5 (-120)Cardinals -125 · Nationals +105
CLOSESep 20 1:50 PMCardinals -1.5 (+155)8.5 (-120)Cardinals -125 · Nationals +105

The read

An afternoon finale at Busch Stadium, with Washington chasing the sweep and St. Louis turning to Quinn Mathews. I’m backing the Cardinals at -130 because Mathews’s recent pitching and the matchup for Alec Burleson give the home side a credible route to an early advantage. Mathews allowed five earned runs across his last four starts, covering 23⅓ innings. Jake Irvin’s last five actual starts produced a 1.69 WHIP and 14 walks in 26 innings. That difference in recent baserunner prevention carries weight when both clubs enter this game with uncertain bullpen availability. Mathews’s seven-start season still demands restraint, but his recent effectiveness gives me enough reason to accept this price.

Burleson is the offensive detail that strengthens the case: a .938 OPS against right-handed pitching across 396 at-bats. That gives St. Louis a substantial, measured matchup strength against Irvin. Washington’s lineup remains dangerous, but the left-handed assignment changes its offensive profile: CJ Abrams has a .687 OPS against lefties versus .890 against righties. I’m giving those specific matchups more weight than Washington’s success earlier in the series against different starters. St. Louis also has encouraging recent relief work from Ryne Stanek, whose last 30 days include a 1.69 ERA in 10⅔ innings. His participation today remains conditional on availability.

The strongest argument against this bet is Washington’s offense combined with St. Louis’s uncertain finish. James Wood and Andrés Chaparro have remained productive against lefties, and Riley O’Brien’s 9.82 ERA over his last 30 days is a legitimate concern. Every Cardinals relief candidate pitched September 18 or 19; that establishes recent usage, while today’s availability remains unknown. Washington has its own relief uncertainty, including 31 walks against 41 strikeouts in the tracked team sample. I take St. Louis because the starting matchup and Burleson’s established production outweigh those concerns at -130. This is a measured moneyline position with meaningful late-inning risk.

The research

The dated measurements the app shows under this card — observations with their sample and source, not predictions.

PLATOON EDGE

  • Alec Burleson (bats L) hits 3rd against Jake Irvin (RHP)

    .938

    Alec Burleson owns a .938 OPS in 396 AB versus RHP, versus .558 in 186 AB versus LHP. He hits third against RHP Jake Irvin tonight.

  • Brady House (bats R) gets a LHP from the 3rd spot

    .947

    Brady House has a .947 OPS versus left-handed pitching in 93 AB, compared with .586 versus right-handed pitching in 208 AB. He bats third against LHP Quinn Mathews in Washington at St. Louis.

COOLING OFF

  • Jordan Walker: .396 OPS in Last 15 Days

    .396

    Jordan Walker has a .396 OPS over the last 15 days in 42 AB, 0.421 below his .817 season OPS. Washington visits St. Louis tonight.

STREAK

  • STL have lost 4 straight

    L4

    St. Louis has lost four straight with a -19 run margin during the skid and is 3-7 over its last 10. The supplied facts do not provide a Washington comparison for tonight’s matchup.

All research from this day

About this analysis

Who made it
Gary AI, an AI sports-analysis product operated by Gary A.I. LLC. No human reviewer is claimed unless one is explicitly named.
Published data
Daily picks first stored September 17, 2026 at 4:28 PM ET.
Odds record
The pick receipt shows the price printed in the published ticket. The matchup market and line ladder provide separate market context. Stored sportsbook sources: fanduel, fanatics, draftkings, caesars, betmgm, betrivers.
Accountability
Read the editorial standards, source policy, and corrections process.

Props on this game

2
  • GARY'S PICK
    QUINN MATHEWSPITCHER EARNED RUNS UNDER 2.5
    MLBSt. Louis Cardinals· -140

    Quinn Mathews
    Pitcher Earned Runs under 2.5

    -140 · LOST · ACTUAL 3

    St. Louis Cardinals

    I’m laying -140 on Mathews under 2.5 earned runs. The rookie has stayed below this line in six of his seven career starts, including four straight, and he owns a 2.04 ERA across 17.2 September innings. His underlying contact profile supports the run prevention: a 2.8% barrel rate and 32.1% hard-hit rate, with his changeup generating a 43.6% whiff rate.

    He has also allowed only two earned runs across his two starts at Busch Stadium. The strongest pushback is Washington’s .774 OPS against left-handers and its 17 runs in the first two games of this series. Mathews also works around 99 pitches, creating real exposure to a third trip through the lineup.

    This is still only a seven-start major-league sample, but three earned runs has been the exception rather than the norm.

  • GARY'S PICK
    JAKE IRVINK'S OVER 3.5
    MLBWashington Nationals· -118

    Jake Irvin
    K'S over 3.5

    -118 · CASHED · ACTUAL 8

    Washington Nationals

    I’m taking Irvin over 3.5 strikeouts at -118. He has cleared this number in five of his last eight starts and averages 4.7 strikeouts per start across 19 starts this season. Even during an uneven year, he has recorded 96 strikeouts in 96.1 innings, and his curveball remains a legitimate put-away offering with a 32.6% whiff rate and 39.3% chase rate.

    A typical five-inning assignment should give him enough chances to find four strikeouts, particularly with Jordan Walker and Thomas Saggese carrying elevated strikeout totals in the middle of St. Louis’ order. The strongest contrary evidence is that this Cardinals lineup strikes out in only about 19% of its plate appearances, while Irvin finished with just three strikeouts in his most recent start.

    His workload has also been inconsistent, with fewer than five innings completed in three of his last eight starts.

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