MLB Daily DeltaWeek 19 · August 3, 2026
Portrait of Daniel Lynch IV
Daniel Lynch IV
KC · P
Change to
Portrait of Jack Perkins
Jack Perkins
ATH · 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

Daniel Lynch IV wins 2 (ERA, WHIP); Jack Perkins wins 2 (K, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Daniel Lynch IV
94.9
Jack Perkins
95.9
Swinging-Strike %lg 11.0% · higher = better
Daniel Lynch IV
12.8%
Jack Perkins
13.6%
Strikeout %lg 22.0% · higher = better
Daniel Lynch IV
19.0%
Jack Perkins
26.8%
Chase %lg 28.5% · higher = better
Daniel Lynch IV
30.9%
Jack Perkins
34.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Daniel Lynch IV
36.6%
Jack Perkins
37.6%
Barrel % Allowedlg 8.0% · lower = better
Daniel Lynch IV
5.3%
Jack Perkins
8.2%
xwOBA Allowedlg .315 · lower = better
Daniel Lynch IV
.286
Jack Perkins
.310
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
Daniel Lynch IV
26.87
lg xERA 4.10
now 1.93
3.69
Jack Perkins
26.87
lg xERA 4.10
now 5.46
3.91
WHIPlower is better
Daniel Lynch IV
.9001.38
now 0.99
1.24
Jack Perkins
.9001.38
now 1.21
1.27

Volume · rest of season
Strikeoutshigher is better
Daniel Lynch IV
4038.60
now 27
19
Jack Perkins
4038.60
now 33
22
Winshigher is better
Daniel Lynch IV
.0002.80
now 1
01
Jack Perkins
.0002.80
now 2
12
Saveshigher is better
Daniel Lynch IV
.0004.40
now 1
01
Jack Perkins
.0004.40
now 3
13
If you already own them — trade angle
Sell HighDaniel Lynch IV — sell high. His value is peaking; good time to trade him.conf 0.95
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
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