MLB Daily DeltaWeek 14 · June 25, 2026
Isaac Mattson
PIT · P
Change to
Ryan Johnson
LAA · 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); Ryan Johnson 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
Ryan Johnson
92.2
Swinging-Strike %lg 11.0% · higher = better
Isaac Mattson
10.4%
Ryan Johnson
13.5%
Strikeout %lg 22.0% · higher = better
Isaac Mattson
19.0%
Ryan Johnson
16.5%
Chase %lg 28.5% · higher = better
Isaac Mattson
26.5%
Ryan Johnson
30.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Isaac Mattson
48.5%
Ryan Johnson
41.8%
Barrel % Allowedlg 8.0% · lower = better
Isaac Mattson
11.8%
Ryan Johnson
7.5%
xwOBA Allowedlg .315 · lower = better
Isaac Mattson
.375
Ryan Johnson
.332
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
28.25
lg xERA 4.10
now 4.12
3.70
Ryan Johnson
28.25
lg xERA 4.10
now 12.83
3.70
WHIPlower is better
Isaac Mattson
.9002.55
now 1.47
1.24
Ryan Johnson
.9002.55
now 2.33
1.24

Volume · rest of season
Strikeoutshigher is better
Isaac Mattson
4029.40
now 15
23
Ryan Johnson
4029.40
now 7
21
Winshigher is better
Isaac Mattson
.000.480
now 0
00
Ryan Johnson
.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 & seeRyan Johnson — hold.conf 0.50
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