MLB Daily DeltaWeek 11 · June 4, 2026
Engraved portrait of Aroldis Chapman
Aroldis Chapman
BOS·P
Sell High high·0.95
Change to
Engraved portrait of David Bednar
David Bednar
NYY·P
Hold med·0.50
Change to

Rest of Season Projection

AroldisCategoryDavid
55K 52
3.70ERA 3.67
1.24WHIP1.24
0–0W 1–2
17–31SV 14–26

Current Season

AroldisCategoryDavid
25K 29
0.48ERA 4.50
0.86WHIP 1.58
0W 1
12SV12

What Each Player's System Trusts

Aroldis Chapman
  • babip_againstNOISEBABIP-against 0.231 suppressed and unstable — flattering the ERA
  • xeraNOISEluck-free xERA 2.94 is 2.46 above the ERA — regression coming
David Bednar
  • xeraNOISEskill near league average (2.83)

Aroldis Chapman: 55 K / 3.70 ERA. David Bednar: 52 K / 3.67 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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