MLB Daily DeltaWeek 11 · June 4, 2026
Engraved portrait of Kai-Wei Teng
Kai-Wei Teng
HOU·P
Sell High high·0.95
Change to
Engraved portrait of Ryan Zeferjahn
Ryan Zeferjahn
LAA·P
Hold med·0.50
Change to

Rest of Season Projection

Kai-WeiCategoryRyan
59K 53
3.68ERA 3.71
1.27WHIP 1.26
2–6W 2–5
0SV 1–3

Current Season

Kai-WeiCategoryRyan
43K 32
2.57ERA 5.74
1.10WHIP 1.39
3W 2
0SV 1

What Each Player's System Trusts

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
Ryan Zeferjahn
  • xeraNOISEskill near league average (3.82)

Kai-Wei Teng: 59 K / 3.68 ERA. Ryan Zeferjahn: 53 K / 3.71 ERA. Different roster decisions — see individual verdicts.

Bare-stats comparison (narrative review pending).

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