MLB Daily DeltaWeek 17 · July 19, 2026
Portrait of Kai-Wei Teng
Kai-Wei Teng
HOU · P
Change to
Portrait of Yohan Ramírez
Yohan Ramírez
PIT · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Kai-Wei Teng wins 2 (K, WHIP); Yohan Ramírez wins 2 (ERA, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kai-Wei Teng
93.5
Yohan Ramírez
96.5
Swinging-Strike %lg 11.0% · higher = better
Kai-Wei Teng
11.3%
Yohan Ramírez
11.9%
Strikeout %lg 22.0% · higher = better
Kai-Wei Teng
22.5%
Yohan Ramírez
25.4%
Chase %lg 28.5% · higher = better
Kai-Wei Teng
28.6%
Yohan Ramírez
30.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Kai-Wei Teng
40.7%
Yohan Ramírez
31.0%
Barrel % Allowedlg 8.0% · lower = better
Kai-Wei Teng
7.1%
Yohan Ramírez
6.2%
xwOBA Allowedlg .315 · lower = better
Kai-Wei Teng
.330
Yohan Ramírez
.304
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
25.59
lg xERA 4.10
now 2.57
4.27
Yohan Ramírez
25.59
lg xERA 4.10
now 4.73
3.78
WHIPlower is better
Kai-Wei Teng
.9701.55
now 1.10
1.35
Yohan Ramírez
.9701.55
now 1.42
1.42

Volume · rest of season
Strikeoutshigher is better
Kai-Wei Teng
4049.80
now 43
34
Yohan Ramírez
4049.80
now 37
26
Winshigher is better
Kai-Wei Teng
.2003.80
now 3
13
Yohan Ramírez
.2003.80
now 3
13
Saveshigher is better
Kai-Wei Teng
.0002.40
now 0
0
Yohan Ramírez
.0002.40
now 1
01
If you already own them — trade angle
SellKai-Wei Teng — sell.conf 0.69
Sell HighYohan Ramírez — sell high. His value is peaking; good time to trade him.conf 0.85
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