MLB Daily DeltaWeek 12 · June 13, 2026
Engraved portrait of Erick Fedde
Erick Fedde
CWS·P
Sell med·0.70
Change to
Engraved portrait of Tyler Mahle
Tyler Mahle
SF·P
Buy Low high·0.90
Change to

Rest of Season Projection

ErickCategoryTyler
61K 94
4.43ERA 4.05
1.41WHIP 1.38
0–0W 1–2
0SV0

Current Season

ErickCategoryTyler
34K 57
5.40ERA 6.04
1.48WHIP 1.54
0W 1
0SV0

What Each Player's System Trusts

Erick Fedde
  • xeraSIGNALstable xERA 4.61 +0.51 vs league with no luck excuse
  • p_k_pctSIGNALstrikeout rate 14% is stable and well below league — limits the ceiling
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

Erick Fedde: 62 K / 4.43 ERA. Tyler Mahle: 95 K / 4.04 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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