MLB Daily DeltaWeek 17 · July 22, 2026
Portrait of Alex Lange
Alex Lange
KC · 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.

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

Zack Kelly wins 2 categories (ERA, WHIP); Alex Lange 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
Alex Lange
95.9
Zack Kelly
96.1
Swinging-Strike %lg 11.0% · higher = better
Alex Lange
12.1%
Zack Kelly
9.2%
Strikeout %lg 22.0% · higher = better
Alex Lange
21.7%
Zack Kelly
19.7%
Chase %lg 28.5% · higher = better
Alex Lange
28.8%
Zack Kelly
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Alex Lange
42.1%
Zack Kelly
38.8%
Barrel % Allowedlg 8.0% · lower = better
Alex Lange
12.3%
Zack Kelly
8.2%
xwOBA Allowedlg .315 · lower = better
Alex Lange
.343
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
Alex Lange
2.834.98
lg xERA 4.10
now 4.50
3.77
Zack Kelly
2.834.98
lg xERA 4.10
now 3.31
3.70
WHIPlower is better
Alex Lange
1.171.42
now 1.35
1.26
Zack Kelly
1.171.42
now 1.29
1.24

Volume · rest of season
Strikeoutshigher is better
Alex Lange
4031.60
now 26
24
Zack Kelly
4031.60
now 14
17
Winshigher is better
Alex Lange
.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 & seeAlex Lange — hold.conf 0.55
Hold · wait & seeZack Kelly — hold.conf 0.50
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