MLB Daily DeltaWeek 13 · June 23, 2026
Portrait of Kai-Wei Teng
Kai-Wei Teng
HOU · P
Change to
Portrait of Tim Herrin
Tim Herrin
CLE · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Kai-Wei Teng wins 2 (K, W); Tim Herrin wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kai-Wei Teng
93.6
Tim Herrin
94.4
Swinging-Strike %lg 11.0% · higher = better
Kai-Wei Teng
11.5%
Tim Herrin
14.9%
Strikeout %lg 22.0% · higher = better
Kai-Wei Teng
24.0%
Tim Herrin
20.4%
Chase %lg 28.5% · higher = better
Kai-Wei Teng
29.0%
Tim Herrin
29.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Kai-Wei Teng
39.9%
Tim Herrin
32.9%
Barrel % Allowedlg 8.0% · lower = better
Kai-Wei Teng
7.4%
Tim Herrin
7.1%
xwOBA Allowedlg .315 · lower = better
Kai-Wei Teng
.320
Tim Herrin
.301
stabilized — trust it · small sample yet · dashed = league avg · right = better
05

The tape

Rest-of-season projection · bold = leads
rest-of-season projection current season projection range
Rate · earned-run quality
ERAlower is better
Kai-Wei Teng
24.64
lg xERA 4.10
now 2.57
4.05
Tim Herrin
24.64
lg xERA 4.10
now 3.32
3.70
WHIPlower is better
Kai-Wei Teng
.9001.84
now 1.10
1.34
Tim Herrin
.9001.84
now 1.63
1.24

Volume · rest of season
Strikeoutshigher is better
Kai-Wei Teng
4059.40
now 43
47
Tim Herrin
4059.40
now 16
26
Winshigher is better
Kai-Wei Teng
.0007
now 3
25
Tim Herrin
.0007
now 0
00

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Hold · steadyKai-Wei Teng — hold.conf 0.60
Sell HighTim Herrin — sell high. His value is peaking; good time to trade him.conf 0.90
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