MLB Daily DeltaWeek 16 · July 14, 2026
Cionel Pérez
NYM · P
Change to
Portrait of Will Klein
Will Klein
LAD · P
Change to
Who's more valuable, rest of season

Will Klein.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Will Klein wins 3 categories (K, ERA, SV); Cionel Pérez wins 1 (W); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Cionel Pérez
96.7
Will Klein
97.6
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
10.6%
Will Klein
10.0%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
20.1%
Will Klein
26.7%
Chase %lg 28.5% · higher = better
Cionel Pérez
30.3%
Will Klein
29.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
51.4%
Will Klein
37.0%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
13.5%
Will Klein
3.0%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.366
Will Klein
.279
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
Cionel Pérez
27.40
lg xERA 4.10
now 5.82
3.70
Will Klein
27.40
lg xERA 4.10
now 1.88
3.68
WHIPlower is better
Cionel Pérez
.9001.81
now 1.59
1.24
Will Klein
.9001.81
now 1.04
1.24

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4031
now 10
13
Will Klein
4031
now 25
25
Winshigher is better
Cionel Pérez
.0005.20
now 2
14
Will Klein
.0005.20
now 1
12
Saveshigher is better
Cionel Pérez
.0003.40
now 0
0
Will Klein
.0003.40
now 1
02
If you already own them — trade angle
Hold · wait & seeCionel Pérez — hold.conf 0.50
Hold · wait & seeWill Klein — hold.conf 0.50
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