MLB Daily DeltaWeek 11 · June 5, 2026
Engraved portrait of Jack Flaherty
Jack Flaherty
DET·P
Sell med·0.66
Change to
Engraved portrait of Kumar Rocker
Kumar Rocker
TEX·P
Sell High high·0.95
Change to

Rest of Season Projection

JackCategoryKumar
119K 82
4.35ERA 4.44
1.41WHIP 1.42
0–0W 2–5
0SV0

Current Season

JackCategoryKumar
64K 44
5.81ERA 3.54
1.61WHIP 1.32
0W 2
0SV0

What Each Player's System Trusts

Jack Flaherty
  • xeraSIGNALstable xERA 4.48 +0.38 vs league with no luck excuse
Kumar Rocker
  • babip_againstNOISEBABIP-against 0.268 suppressed and unstable — flattering the ERA
  • xeraSIGNALluck-free xERA 4.63 is 1.09 above the ERA — regression coming

Jack Flaherty: 119 K / 4.35 ERA. Kumar Rocker: 82 K / 4.44 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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