MLB Daily DeltaWeek 12 · June 14, 2026
Engraved portrait of Andrew Kittredge
Andrew Kittredge
BAL·P
Buy Low high·0.90
Change to
Isaac Mattson
PIT·P
Hold med·0.50
Change to

Rest of Season Projection

AndrewCategoryIsaac
35K 29
3.70ERA3.70
1.24WHIP1.24
0–0W0–0
0SV0

Current Season

AndrewCategoryIsaac
12K 15
7.59ERA 4.12
1.69WHIP 1.47
0W0
0SV0

What Each Player's System Trusts

Andrew Kittredge
  • xeraNOISEluck-free xERA 3.16 sits 0.94 below league — a real arm the ERA is hiding
  • babip_againstNOISEBABIP-against 0.320 elevated and unstable — bloating the ERA
Isaac Mattson
  • xeraNOISEskill near league average (6.33)

Andrew Kittredge: 35 K / 3.70 ERA. Isaac Mattson: 29 K / 3.70 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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