Probetrics — Sports Analytics
MLB Prop Board

Spencer Arrighetti

Houston Astros · P · Bats R · Throws R

Tonight's line
15.5
Model proj
15.75
Edge
+3.1%
Last 20
45%9/20 over 15.5
Window avg
14.90
Median
15.0
L5
60%
3/5
L10
50%
5/10
L20
45%
9/20
2026
50%
4/8
Avg14.57
StreakL1

Parlay pairs — when Spencer Arrighetti clears 15.5 Pitcher Outs, these hit too

Yainer Diaz o0.5 Hits
hits when he does 81% · base 68% · n=16 · -230 DraftKings
Isaac Paredes o0.5 Runs Scored
hits when he does 67% · base 60% · n=9 · -137 Betr Picks
Yordan Alvarez o1.5 Total Bases
hits when he does 62% · base 48% · n=26 · -125 Bovada

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

Pitcher Outslast 20 vs 15.5

away only · official box scores
15@ MIN07/0718@ OAK07/2221@ BOS08/1018@ BAL08/2223@ PHI08/282@ CIN09/0415@ SD09/167@ CLE09/2711@ MIN04/0511@ MIA08/0615@ DET08/1817@ BAL08/2415@ CLE04/2015@ BOS05/0217@ CIN05/0915@ CHC05/2218@ TEX05/2818@ LAA06/0818@ KC06/149@ DET06/2615.5

Tonight's odds — Pitcher Outs

BookLineOverUnder
DraftKings15.5-111-119
Bovada15.5-115-125

Line movement — Pitcher Outs

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

15.512:11 AM ET12:11 AM ET
DraftKingsBovada

League vs WSH Pitcher Outs, 2026

Last 14 qualifying performances against them · 5/14 would clear tonight's 15.5

Tatsuya Imai HOU07/0711
Mike Burrows HOU07/0613
Bubba Chandler PIT07/0512
Braxton Ashcraft PIT07/0417
Mitch Keller PIT07/0318
Payton Tolle BOS07/019
Connelly Early BOS06/3012
Ranger Suarez BOS06/2918
Kyle Bradish BAL06/2812
Brandon Young BAL06/2715
Trevor Rogers BAL06/2619
Cristopher Sánchez PHI06/2515
Aaron Nola PHI06/2415
Jesús Luzardo PHI06/2320