MLB Daily DeltaWeek 17 · July 20, 2026
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
Portrait of Tyler Kinley
Tyler Kinley
ATL · P
Change to
Who's more valuable, rest of season

Tyler Kinley.

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

Head-to-head
K
ERA
WHIP
W
SV

Tyler Kinley wins 3 categories (ERA, WHIP, W); Jack Perkins wins 2 (K, SV).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Perkins
96.0
Tyler Kinley
94.4
Swinging-Strike %lg 11.0% · higher = better
Jack Perkins
13.2%
Tyler Kinley
12.6%
Strikeout %lg 22.0% · higher = better
Jack Perkins
27.3%
Tyler Kinley
24.8%
Chase %lg 28.5% · higher = better
Jack Perkins
33.7%
Tyler Kinley
24.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Perkins
39.4%
Tyler Kinley
25.3%
Barrel % Allowedlg 8.0% · lower = better
Jack Perkins
8.0%
Tyler Kinley
5.5%
xwOBA Allowedlg .315 · lower = better
Jack Perkins
.318
Tyler Kinley
.266
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
Jack Perkins
2.246.38
lg xERA 4.10
now 5.46
4.05
Tyler Kinley
2.246.38
lg xERA 4.10
now 3.16
3.66
WHIPlower is better
Jack Perkins
1.101.35
now 1.21
1.28
Tyler Kinley
1.101.35
now 1.17
1.25

Volume · rest of season
Strikeoutshigher is better
Jack Perkins
4038.60
now 33
28
Tyler Kinley
4038.60
now 28
22
Winshigher is better
Jack Perkins
.0006.60
now 2
12
Tyler Kinley
.0006.60
now 4
25
Saveshigher is better
Jack Perkins
.0004.40
now 3
23
Tyler Kinley
.0004.40
now 0
0
If you already own them — trade angle
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeTyler Kinley — hold.conf 0.50
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