Probetrics — Sports Analytics
MLB Prop Board

Spencer Arrighetti

Houston Astros · P · Bats R · Throws R

Tonight's line
4.5
Model proj
5.50
Edge
+10.8%
Trending splitsNight 63%(8)
Last 50
73%33/45 over 4 · 5 push
Window avg
5.62
Median
5.0
L5
100%
4/4
L10
78%
7/9
L20
67%
12/18
2026
75%
9/12
Avg5.62
Streak

Parlay pairs — when Spencer Arrighetti clears 4.5 Pitcher Strikeouts, these hit too

Jose Altuve o0.5 Hits
hits when he does 82% · base 77% · n=28 · -240 DraftKings

Correlation from shared games in our database — books price correlated same-game legs accordingly; treat combined odds as an estimate.

Pitcher Strikeoutslast 50 vs 4

official box scores
13@ BOS08/105vs CWS08/166@ BAL08/2211@ PHI08/280@ CIN09/047vs OAK09/103@ SD09/166vs LAA09/224@ CLE09/275vs NYM03/293@ MIN04/055@ MIA08/063vs BOS08/125@ DET08/182@ BAL08/248vs LAA08/3010vs COL04/153@ CLE04/208vs NYY04/264@ BOS05/025@ CIN05/095vs TEX05/155@ CHC05/223@ TEX05/283vs PIT06/037@ LAA06/087@ KC06/148vs CLE06/207@ DET06/264vs TB07/034

Tonight's odds — Pitcher Strikeouts

BookLineOverUnder
DraftKings4.5-131+102

Line movement — Pitcher Strikeouts

From our own market snapshots (every poll since lines opened).

Line history builds as we snapshot the market — check back closer to game time.

League vs WSH Pitcher Strikeouts, 2026

Last 14 qualifying performances against them · 9/14 would clear tonight's 4.5

Tatsuya Imai HOU07/073
Mike Burrows HOU07/063
Bubba Chandler PIT07/050
Braxton Ashcraft PIT07/047
Mitch Keller PIT07/031
Payton Tolle BOS07/015
Connelly Early BOS06/305
Ranger Suarez BOS06/298
Kyle Bradish BAL06/282
Brandon Young BAL06/278
Trevor Rogers BAL06/267
Cristopher Sánchez PHI06/256
Aaron Nola PHI06/245
Jesús Luzardo PHI06/2313