MLB Daily DeltaWeek 12 · June 15, 2026
Engraved portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH·P
Buy Low high·0.87
Change to
Engraved portrait of Mitchell Parker
Mitchell Parker
WSH·P
Hold med·0.50
Change to

Rest of Season Projection

MarkCategoryMitchell
35K 38
3.72ERA 3.79
1.24WHIP1.24
0–0W 2–4
4–7SV 1–2

Current Season

MarkCategoryMitchell
25K 26
5.47ERA 5.28
1.46WHIP 1.17
0W 2
4SV 1

What Each Player's System Trusts

Mark Leiter Jr.
  • xeraNOISEluck-free xERA 4.12 is right around league — a usable arm the ERA is hiding
  • babip_againstNOISEBABIP-against 0.354 elevated and unstable — bloating the ERA
Mitchell Parker
  • xeraNOISEskill near league average (4.82)

Mark Leiter Jr.: 35 K / 3.72 ERA. Mitchell Parker: 38 K / 3.79 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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