MLB Daily DeltaWeek 20 · August 8, 2026
Portrait of Jonathan Hernández
Jonathan Hernández
LAD · P
Change to
Zack Kelly
BOS · P
Change to
Who's more valuable, rest of season

Jonathan Hernández.

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

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

Jonathan Hernández wins 1 categories (K); Zack Kelly wins 0 (none); 3 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jonathan Hernández
97.2
Zack Kelly
96.1
Swinging-Strike %lg 11.0% · higher = better
Jonathan Hernández
7.1%
Zack Kelly
9.2%
Strikeout %lg 22.0% · higher = better
Jonathan Hernández
18.5%
Zack Kelly
19.7%
Chase %lg 28.5% · higher = better
Jonathan Hernández
24.2%
Zack Kelly
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Jonathan Hernández
39.7%
Zack Kelly
38.8%
Barrel % Allowedlg 8.0% · lower = better
Jonathan Hernández
6.3%
Zack Kelly
8.2%
xwOBA Allowedlg .315 · lower = better
Jonathan Hernández
.347
Zack Kelly
.368
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
Jonathan Hernández
24.58
lg xERA 4.10
now 1.50
3.70
Zack Kelly
24.58
lg xERA 4.10
now 3.31
3.70
WHIPlower is better
Jonathan Hernández
.9001.67
now 0.33
1.24
Zack Kelly
.9001.67
now 1.29
1.24

Volume · rest of season
Strikeoutshigher is better
Jonathan Hernández
4019.60
now 5
14
Zack Kelly
4019.60
now 14
13
Winshigher is better
Jonathan Hernández
.000.480
now 0
00
Zack Kelly
.000.480
now 0
00

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

If you already own them — trade angle
Hold · wait & seeJonathan Hernández — hold.conf 0.50
Hold · wait & seeZack Kelly — hold.conf 0.50
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