MLB Daily DeltaWeek 19 · August 5, 2026
Portrait of JoJo Romero
JoJo Romero
MIL · P
Change to
Zack Kelly
BOS · P
Change to
Who's more valuable, rest of season

Zack Kelly.

He projects to help you in more roto categories the rest of the way — ERA and WHIP. JoJo Romero’s box score looks better right now, but the luck-stripped projection flips it.

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

Zack Kelly wins 2 categories (ERA, WHIP); JoJo Romero wins 1 (K); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
JoJo Romero
94.5
Zack Kelly
96.1
Swinging-Strike %lg 11.0% · higher = better
JoJo Romero
9.4%
Zack Kelly
9.2%
Strikeout %lg 22.0% · higher = better
JoJo Romero
23.1%
Zack Kelly
19.7%
Chase %lg 28.5% · higher = better
JoJo Romero
27.9%
Zack Kelly
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
JoJo Romero
43.1%
Zack Kelly
38.8%
Barrel % Allowedlg 8.0% · lower = better
JoJo Romero
8.1%
Zack Kelly
8.2%
xwOBA Allowedlg .315 · lower = better
JoJo Romero
.337
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
JoJo Romero
2.274.20
lg xERA 4.10
now 2.70
3.77
Zack Kelly
2.274.20
lg xERA 4.10
now 3.31
3.70
WHIPlower is better
JoJo Romero
1.091.36
now 1.16
1.25
Zack Kelly
1.091.36
now 1.29
1.24

Volume · rest of season
Strikeoutshigher is better
JoJo Romero
4030.60
now 25
15
Zack Kelly
4030.60
now 14
13
Winshigher is better
JoJo Romero
.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 & seeJoJo Romero — hold.conf 0.50
Hold · wait & seeZack Kelly — hold.conf 0.50
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