MLB Daily DeltaWeek 13 · June 19, 2026
Isaac Mattson
PIT · P
Change to
Kyle Hart
SD · P
Change to
Who's more valuable, rest of season

Isaac Mattson.

He projects to help you in more roto categories the rest of the way — strikeouts.

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

Isaac Mattson wins 1 categories (K); Kyle Hart wins 0 (none); 3 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Isaac Mattson
93.8
Kyle Hart
93.6
Swinging-Strike %lg 11.0% · higher = better
Isaac Mattson
10.0%
Kyle Hart
8.2%
Strikeout %lg 22.0% · higher = better
Isaac Mattson
18.6%
Kyle Hart
15.2%
Chase %lg 28.5% · higher = better
Isaac Mattson
24.9%
Kyle Hart
28.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Isaac Mattson
48.5%
Kyle Hart
27.1%
Barrel % Allowedlg 8.0% · lower = better
Isaac Mattson
12.1%
Kyle Hart
5.1%
xwOBA Allowedlg .315 · lower = better
Isaac Mattson
.378
Kyle Hart
.292
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
Isaac Mattson
3.255.27
lg xERA 4.10
now 4.12
3.70
Kyle Hart
3.255.27
lg xERA 4.10
now 4.82
3.70
WHIPlower is better
Isaac Mattson
.9001.65
now 1.47
1.24
Kyle Hart
.9001.65
now 1.02
1.24

Volume · rest of season
Strikeoutshigher is better
Isaac Mattson
4030.60
now 15
25
Kyle Hart
4030.60
now 11
24
Winshigher is better
Isaac Mattson
.000.480
now 0
00
Kyle Hart
.000.480
now 0
00

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Hold · wait & seeIsaac Mattson — hold.conf 0.50
Hold · wait & seeKyle Hart — hold.conf 0.50
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