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%
All 22 games
77%17/22 over 4.5
Window avg
6.23
Median
6.0
L5
60%
3/5
L10
70%
7/10
L20
75%
15/20
2026
67%
4/6
Avg6.23
StreakL1

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 Strikeoutsall 22 games vs 4.5

home only · official box scores
5vs ATL04/156vs CLE05/025vs OAK05/136vs MIL05/194vs STL06/042vs DET06/1510vs COL06/267vs TEX07/138vs LAD07/2812vs TB08/045vs CWS08/167vs OAK09/106vs LAA09/225vs NYM03/293vs BOS08/128vs LAA08/3010vs COL04/158vs NYY04/265vs TEX05/153vs PIT06/038vs CLE06/204vs TB07/034.5

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