MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of DL Hall
DL Hall
MIL · P
Change to
Isaac Mattson
PIT · 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); Isaac Mattson 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
94.6
Isaac Mattson
93.8
Swinging-Strike %lg 11.0% · higher = better
DL Hall
11.7%
Isaac Mattson
10.0%
Strikeout %lg 22.0% · higher = better
DL Hall
25.4%
Isaac Mattson
18.6%
Chase %lg 28.5% · higher = better
DL Hall
24.1%
Isaac Mattson
24.9%
Hard-Hit % Allowedlg 40.0% · lower = better
DL Hall
30.4%
Isaac Mattson
48.5%
Barrel % Allowedlg 8.0% · lower = better
DL Hall
5.8%
Isaac Mattson
12.1%
xwOBA Allowedlg .315 · lower = better
DL Hall
.307
Isaac Mattson
.378
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
24.89
lg xERA 4.10
now 2.20
3.71
Isaac Mattson
24.89
lg xERA 4.10
now 4.12
3.70
WHIPlower is better
DL Hall
1.151.56
now 1.29
1.28
Isaac Mattson
1.151.56
now 1.47
1.24

Volume · rest of season
Strikeoutshigher is better
DL Hall
4045.80
now 31
37
Isaac Mattson
4045.80
now 15
25
Winshigher is better
DL Hall
.000.480
now 0
00
Isaac Mattson
.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 & seeIsaac Mattson — hold.conf 0.50
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