MLB Daily DeltaWeek 11 · June 4, 2026
Engraved portrait of George Kirby
George Kirby
SEA·P
Hold med·0.50
Change to
Engraved portrait of Spencer Arrighetti
Spencer Arrighetti
HOU·P
Sell High high·0.95
Change to

Rest of Season Projection

GeorgeCategorySpencer
98K98
3.45ERA 4.24
1.30WHIP 1.35
5–11W 10–21
0SV0

Current Season

GeorgeCategorySpencer
59K 43
3.77ERA 1.34
1.22WHIP 1.13
5W 7
0SV0

What Each Player's System Trusts

George Kirby
  • xeraSIGNALskill near league average (3.45)
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

George Kirby: 98 K / 3.45 ERA. Spencer Arrighetti: 98 K / 4.24 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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