MLB Daily DeltaWeek 12 · June 15, 2026
Engraved portrait of Gordon Graceffo
Gordon Graceffo
STL·P
Sell High high·0.95
Change to
Engraved portrait of Mason Montgomery
Mason Montgomery
PIT·P
Hold med·0.50
Change to

Rest of Season Projection

GordonCategoryMason
21K 48
3.87ERA 3.71
1.27WHIP 1.24
3–8W 1–2
1–2SV 0

Current Season

GordonCategoryMason
14K 30
1.80ERA 3.91
0.90WHIP 1.26
4W 1
1SV 0

What Each Player's System Trusts

Gordon Graceffo
  • babip_againstNOISEBABIP-against 0.163 suppressed and unstable — flattering the ERA
  • xeraNOISEluck-free xERA 5.57 is 3.43 above the ERA — regression coming
  • p_k_pctSIGNALstrikeout rate 13% is stable and well below league — limits the ceiling
Mason Montgomery
  • xeraNOISEskill near league average (4.01)

Gordon Graceffo: 21 K / 3.87 ERA. Mason Montgomery: 48 K / 3.71 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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