MLB Daily DeltaWeek 25 · September 10, 2026
Bennett Sousa
HOU · P
Change to
Zack Kelly
BOS · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 00, 4 even. Take whoever fills a bigger need.

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

Bennett Sousa wins 0 (none); Zack Kelly wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Bennett Sousa
93.9
Zack Kelly
96.1
Swinging-Strike %lg 11.0% · higher = better
Bennett Sousa
15.4%
Zack Kelly
9.2%
Strikeout %lg 22.0% · higher = better
Bennett Sousa
23.9%
Zack Kelly
19.7%
Chase %lg 28.5% · higher = better
Bennett Sousa
33.2%
Zack Kelly
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Bennett Sousa
32.4%
Zack Kelly
38.8%
Barrel % Allowedlg 8.0% · lower = better
Bennett Sousa
10.3%
Zack Kelly
8.2%
xwOBA Allowedlg .315 · lower = better
Bennett Sousa
.305
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
Bennett Sousa
28.25
lg xERA 4.10
now 8.10
3.70
Zack Kelly
28.25
lg xERA 4.10
now 3.31
3.70
WHIPlower is better
Bennett Sousa
.9002.55
now 2.40
1.24
Zack Kelly
.9002.55
now 1.29
1.24

Volume · rest of season
Strikeoutshigher is better
Bennett Sousa
4019.60
now 4
4
Zack Kelly
4019.60
now 14
4
Winshigher is better
Bennett Sousa
.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
Buy LowBennett Sousa — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeZack Kelly — hold.conf 0.50
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