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

Too close to call.

They split your categories 11, 2 even. Take whoever fills a bigger need.

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

DL Hall wins 1 (K); Zack Kelly wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
DL Hall
94.7
Zack Kelly
96.1
Swinging-Strike %lg 11.0% · higher = better
DL Hall
11.5%
Zack Kelly
9.2%
Strikeout %lg 22.0% · higher = better
DL Hall
25.0%
Zack Kelly
19.7%
Chase %lg 28.5% · higher = better
DL Hall
23.9%
Zack Kelly
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
DL Hall
30.1%
Zack Kelly
38.8%
Barrel % Allowedlg 8.0% · lower = better
DL Hall
5.5%
Zack Kelly
8.2%
xwOBA Allowedlg .315 · lower = better
DL Hall
.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
DL Hall
24.31
lg xERA 4.10
now 2.20
3.71
Zack Kelly
24.31
lg xERA 4.10
now 3.31
3.70
WHIPlower is better
DL Hall
1.171.36
now 1.29
1.28
Zack Kelly
1.171.36
now 1.29
1.24

Volume · rest of season
Strikeoutshigher is better
DL Hall
4038.20
now 31
18
Zack Kelly
4038.20
now 14
13
Winshigher is better
DL Hall
.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
Sell HighDL Hall — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · wait & seeZack Kelly — hold.conf 0.50
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