MLB Daily DeltaWeek 11 · June 4, 2026
Engraved portrait of Juan Mejia
Juan Mejia
COL·P
Buy Low high·0.90
Change to
Engraved portrait of Kai-Wei Teng
Kai-Wei Teng
HOU·P
Sell High high·0.95
Change to

Rest of Season Projection

JuanCategoryKai-Wei
49K 59
3.71ERA 3.68
1.26WHIP 1.27
1–2W 2–6
3–6SV 0

Current Season

JuanCategoryKai-Wei
30K 43
6.00ERA 2.57
1.70WHIP 1.10
1W 3
3SV 0

What Each Player's System Trusts

Juan Mejia
  • babip_againstNOISEBABIP-against 0.372 elevated and unstable — bloating the ERA
Kai-Wei Teng
  • babip_againstNOISEBABIP-against 0.224 suppressed and unstable — flattering the ERA
  • xeraNOISEluck-free xERA 3.58 is 1.01 above the ERA — regression coming

Juan Mejia: 49 K / 3.71 ERA. Kai-Wei Teng: 59 K / 3.68 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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