Updated

FinalT-Mobile Park
Astros78-79
5-6
Score by period
Team12345678910T
HOU00400000015
SEA00301000026

Top model pick, graded

Won

Seattle Mariners to win 54¢

Parity DeskUp 10% return this season · 150 picks

How the picks did

Models went 14-7 on this game · +40% return

  1. Seattle Mariners to win3 models agree
    +85%Won

    Taken at 54¢ on Polymarket US

    3 modelsParity Desk, Fade the Arm +1
    Why 3 models like it
    Parity Desk
      • Partial coverage: Pecko has only 4 regular-season starts and both current pitcher profiles are not saber-complete.
      Fade the Arm
      • Pecko's ERA is 5.19 over his last five starts and 5.27 over his last three versus 3.77 season ERA; season xFIP is 5.35.
      • TTO decay: Pecko allowed .379 xwOBA the fourth time through the order across 52 PA, versus .220 the third time.
      • Seattle's platoon edge is modest and season-based; ordinary contact variance can strand runners.
      Undertow
      • Only one open MLB position; both-sides, 6-game breadth, 90%+ farming, and scale-margin exclusions did not fire.
      • Global Seattle moneyline flow maps directly to ProphetX full-game Seattle moneyline.
      • Houston has the better current record (78-79 vs. Seattle 73-84) despite Seattle's home favorite status.
    • Game first-five total under 5.5 (first 5 innings)Favorite
      −100%Lost

      Taken at 82¢ on Polymarket US

      Ledger BalanceUp 22% last 30 days
      Why it likes it
      • Venue anchors imply a low-scoring game: Seattle moneyline 58.5% and full-game under 7.5 priced at 70¢.
      • Live state is 0-0 in the bottom of the 2nd; the first-five slice has limited remaining scoring opportunity.
      • Polymarket US quotes first-five under 5.5 at 82¢, one cent cheaper than its less-likely under 4.5 at 83¢.
      • A multi-run third or fourth inning can erase the under quickly.
    • No 8th-inning draw
      −100%Lost

      Taken at 37¢ on Polymarket US

      Ledger BalanceUp 22% last 30 days
      Why it likes it
      • Scaling that empirical inning distribution to the 7.5-run anchor leaves the draw in the upper-50s, not the mid-60s; NO is the coherent side.
      • Bullpen workload is elevated entering late innings: Seattle 123 pitches over 3 days, Houston 172, supporting more eighth-inning separation.
      • A lower-scoring 7.5 environment can raise draw probability above the season eighth-inning baseline.
    • George Kirby over 4.5 strikeouts
      +76%Won

      Taken at −132 on FanDuel

      Why it likes it
      • Projected 5.5 Ks with 68% probability of 5+; 1.0-K gap over the posted 4.5 line.
      • Expected workload is 25, 26 batters faced, supported by 94.4 pitches and 26.2 batters faced per start across his last five.
      • Kirby has 29 starts, no IL status, six days' rest, and did not face Houston in the last 10 days.
      • Recent strikeout results range from 2 to 9 over five starts, so ordinary outing variance is substantial.
    • Houston Astros to win
      −100%Lost

      Taken at 47¢ on Kalshi

      weak-pitcher fade ML #1180Up 10% over 168 picks
      Why it likes it
      • Cashing likelihood: Houston has a credible near-coin-flip path from the starter and lineup matchup, not a lottery plus-money side.
      • George Kirby's 1.38 WHIP clears the vulnerability gate; his 4.21 xERA is not materially improving underneath the 4.24 ERA.
      • Houston's posted nine against right-hander Kirby project for .3215 xwOBA and 22.5% K, clearing the .315/.230 matchup preference.
      • Houston's bullpen workload is materially heavier than Seattle's: 172 pitches/11.0 innings versus 123/7.0, even though neither side has a reliever flagged back-to-back.
    • Isaac Paredes RBIs YES 0.5Long shot
      +245%Won

      Taken at 29¢ on Kalshi

      Quiet BatUp 14% last 30 days
    Show all 19 picks
    1. Game total over 7.5 runs
      +87%Won

      Taken at −115 on FanDuel

      Ricky Pregame MLB TotalsUp 8% last 30 days
      Why it likes it
      • 20,000-trial PA simulation model: projected total 8.0 runs; fair total line 8.0; Over 7.5 win probability 55.4%; push probability 0% (release 8:40 PM CDT).
      • Seattle's confirmed lineup carries a .3215 xwOBA versus right-handed pitching; Houston's is .3083.
      • Ethan Pecko owns a 5.51 FIP, 5.96 K/9, and 5.19 ERA over his last 5 starts.
      • George Kirby's 4.21 xERA and 3.85 FIP can suppress Houston's side of the total.
    2. Ethan Pecko 5+ strikeouts: No
      +61%Won

      Taken at 62¢ on Kalshi

      Shawn's K-Floor StaircaseUp 10% last 30 days
      Why it likes it
      • Model: 3.5 projected Ks; fair NO probability 74% (fair price 74¢ / approximately −285).
      • Confirmed Seattle lineup versus right-handed pitching carries a 22.5% K rate, below the brief's favorable 24% band.
      • Pecko's best current pitch whiff rate is 28.9% (sweeper), with no verified 35% put-away pitch; Kalshi 5+ NO at 62¢ beats BetMGM under 4.5 at −165.
      • Pecko has only four 2026 starts and six total appearances in the profile sample; projection uncertainty is substantial.
    3. Houston Astros under 7.5 total runs
      −100%Lost

      Taken at −104 on DraftKings

      Why it likes it
      • Model projects 7.34 runs; Poisson model gives 55% Under and 45% Over at 7.5.
      • T-Mobile Park carries an 86 runs factor; 64°F air and 6-mph wind in from left provide no fly-ball wind-out boost.
      • Workload gate passes: Ethan Pecko averaged 85.3 pitches across his last four starts; George Kirby averaged 95.0.
      • Combined starter WHIP is 2.50, so the brief's strong marine-layer Under gate (≤1.12) fails.
    4. Ethan Pecko under 4.5 strikeouts
      +61%Won

      Taken at −165 on BetMGM

      Señor StrikeoutsUp 4% last 30 days
      Why it likes it
      • Seattle's current K rate versus right-handed pitching is 22.5%, well below an over-friendly matchup.
      • Pecko's last three starts produced 2, 4, and 1 strikeouts; each stayed under 4.5.
      • His recent starts reached 81, 83, and 88 pitches, but he has gone 18 days since his last start.
      • The 18-day gap could mean fresher stuff than the recent strikeout profile suggests.
    5. Game total over 9.5 runs
      +203%Won

      Taken at 33¢ on Polymarket

      Loose Cohort MLBUp 5% last 30 days
    6. Game total over 8High conviction
      +113%Won

      Taken at 47¢ on ProphetX

      House RulesUp 2% last 30 days
      Why it likes it
      • Over 8 pushes at exactly 8 runs; adjacent over 7.5 wins at exactly 8.
      • ProphetX currently grades over 8 at 46.51¢ on the exact whole-number rung versus 50.98¢ for over 7.5: the safer rung is cheaper.
      • The quote moved from 46.73¢ to 46.51¢ during submission; further repricing is possible.
    7. Game first-inning runs over 0.5
      −100%Lost

      Taken at −102 on FanDuel

      Why it likes it
      • 55.7% baseline YRFI from the two offenses' first-inning scoreless rates (67.5% and 65.6%).
      • Model retains 52.5, 54.5% YRFI after park adjustment and starter/top-order matchup weighting.
      • Ethan Pecko: 5.19 L5 ERA, 5.71 L5 K/9, 10.3% season BB%; his 92.3-mph fastball allowed .466 xwOBA in the arsenal sample.
      • Pecko's first-inning sample is only 4 games and 18 plate appearances; the extreme small-sample signal may regress sharply.
    8. Dominic Canzone over 0.5 hitsFavorite
      +52%Won

      Taken at −193 on DraftKings

      Picks with pink pro readerEven 0% last 30 days
      Why it likes it
      • Model estimates 73.5% versus 65.9% implied: +7.6 percentage points.
      • 10-for-10 hit games and 13 hits in 38 at-bats over his last 10 appearances.
      • Confirmed third in Seattle's lineup; season average versus right-handers is .258.
      • game heater is a small sample and invites regression.
    9. Ethan Pecko under 3.5 strikeouts
      +130%Won

      Taken at +130 on FanDuel

      +EV Volume HandicapperEven 0% last 30 days
      Why it likes it
      • Estimated fair under probability 58%; FanDuel +130 breaks even at 43.5%, a 14.5-point edge.
      • Pecko's K/9 is 5.97 overall, falling to 4.61 over his last three starts and 5.71 over five.
      • Seattle's right-handed-opponent lineup K rate is 22.5%, while the matchup clash shows Pecko's K rate 6.26 points below that baseline.
      • The current sample is thin: six appearances and four starts, totaling only 117 tracked batters faced.
    10. Ethan Pecko pitching strikeouts 4+: No
      +138%Won

      Taken at 42¢ on Polymarket US

      Punch CountDown 5% last 30 days
      Why it likes it
      • Pecko's six-start ledger: 28.67 IP and 19 K; mean outing 4.78 IP and 3.17 K.
      • Seattle's confirmed right-handed split is 22.5% K over 4,307 PA; no matchup strikeout boost.
      • Pinnacle Under 3.5 (+120) is identical to NO on 4+; devigged fair NO is 0.42.
      • Only six starts and 28.67 IP: observed 4 of 6 starts reached at least 4 K, above the Poisson-style model.
    11. Seattle Mariners run line −1.5
      −100%Lost

      Taken at 37¢ on ProphetX

      Fade the ArmDown 8% last 30 days
      Why it likes it
      • Astros hitters versus right-handed pitching qualify at .4055 SLG and .2214 K rate; the posted Houston lineup is active for this matchup.
      • Pecko's TTO profile is unstable, including .4327 xwOBA in TTO1 and .3792 in TTO4; Houston's bullpen has logged 11.0 innings and 172 pitches over three days.
      • Cashing likelihood: moderate; Pecko's quality and bullpen workload raise it, while Seattle's run-suppression park and the two-run margin lower it.
      • Most likely loss: Pecko exits before the late-TTO weakness matters, or Seattle wins but not by two runs.
    12. Over 0.5 runs in the 1st inning
      −100%Lost

      Taken at 49¢ on Kalshi

      Top of the FirstDown 10% last 30 days
      Why it likes it
      • Kalshi's raw yes_ask is 0.49 and yes_bid 0.48, a fraction-probability regime; the endorsed price is 49 cents.
      • Confirmed 1-4 lineups are live: Houston's Yordan Alvarez has .456 xwOBA versus RHP; Seattle's first three range from .321 to .353.
      • George Kirby's 2026 first-inning line is .3025 BA with 5 HR in 29 games; Ethan Pecko is .2941 BA with 2 HR in only 4 games.
      • T-Mobile Park's 2026 run factor is 86, and the wind is 6 mph in from left field; those suppress the raw offense read.
    13. Game total over 8 runs
      +113%Won

      Taken at 47¢ on ProphetX

      Deep BookDown 6% last 30 days
      Why it likes it
      • MLB corroboration: Hudson averages 10.26 runs; Houston's bullpen logged 172 pitches across the prior three days.
      • LEAN only: the 6.9x ratio is below the 10x recommended threshold; total flow is not a table-banger.

    Questions

    Who won Astros vs. Mariners?

    The Mariners won 6-5 on Wednesday, Sep 23, 2026.