MLB Daily DeltaWeek 11 · June 4, 2026
Engraved portrait of Landen Roupp
Landen Roupp
SF·P
Buy Low high·0.88
Change to
Engraved portrait of Spencer Arrighetti
Spencer Arrighetti
HOU·P
Sell High high·0.95
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Rest of Season Projection

LandenCategorySpencer
113K 98
3.28ERA 4.24
1.34WHIP 1.35
5–12W 10–21
0SV0

Current Season

LandenCategorySpencer
72K 43
4.22ERA 1.34
1.31WHIP 1.13
5W 7
0SV0

What Each Player's System Trusts

Landen Roupp
  • babip_againstNOISEBABIP-against 0.325 elevated and unstable — bloating the ERA
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

Landen Roupp: 113 K / 3.28 ERA. Spencer Arrighetti: 98 K / 4.24 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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