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

Rest of Season Projection

BrentCategoryMark
40K 35
3.68ERA 3.72
1.25WHIP 1.24
2–6W 0–0
0SV 4–7

Current Season

BrentCategoryMark
29K 25
2.00ERA 5.47
1.37WHIP 1.46
3W 0
0SV 4

What Each Player's System Trusts

Brent Headrick
  • xeraNOISEskill near league average (3.43)
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

Brent Headrick: 40 K / 3.68 ERA. Mark Leiter Jr.: 35 K / 3.72 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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