Rest of Season Projection
DavidCategoryTyler
90K →94
4.50ERA →4.05
1.43WHIP →1.38
3–6W ←1–2
0SV0
Current Season
DavidCategoryTyler
56K →57
5.18ERA ←6.04
1.59WHIP →1.54
3W ←1
1SV ←0
What Each Player's System Trusts
David Peterson
- xeraSIGNALstable xERA 4.71 +0.61 vs league with no luck excuse
Tyler Mahle
- xeraSIGNALluck-free xERA 4.05 sits 0.05 below league — a real arm the ERA is hiding
- babip_againstNOISEBABIP-against 0.335 elevated and unstable — bloating the ERA
David Peterson: 92 K / 4.49 ERA. Tyler Mahle: 95 K / 4.04 ERA. Different roster decisions — see individual verdicts.
Bare-stats comparison (narrative review pending).