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).

