MLB Daily DeltaWeek 11 · June 4, 2026
Engraved portrait of Foster Griffin
Foster Griffin
WSH·P
Sell High high·0.91
Change to
Engraved portrait of Spencer Arrighetti
Spencer Arrighetti
HOU·P
Sell High high·0.95
Change to

Rest of Season Projection

FosterCategorySpencer
103K 98
4.30ERA 4.24
1.25WHIP 1.35
6–14W 10–21
0SV0

Current Season

FosterCategorySpencer
65K 43
3.76ERA 1.34
1.15WHIP 1.13
6W 7
0SV0

What Each Player's System Trusts

Foster Griffin
  • babip_againstNOISEBABIP-against 0.247 suppressed and unstable — flattering the ERA
  • xeraSIGNALluck-free xERA 4.41 is 0.65 above the ERA — regression coming
Spencer Arrighetti
  • babip_againstNOISEBABIP-against 0.212 suppressed and unstable — flattering the ERA
  • xeraNOISEluck-free xERA 4.69 is 3.35 above the ERA — regression coming

Foster Griffin: 103 K / 4.30 ERA. Spencer Arrighetti: 98 K / 4.24 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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