MLB Daily DeltaWeek 14 · June 30, 2026
Matt Strahm
KC · P
Change to
Portrait of Ryan Rolison
Ryan Rolison
CHC · 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

Matt Strahm wins 1 (K); Ryan Rolison wins 1 (W); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Matt Strahm
91.1
Ryan Rolison
94.5
Swinging-Strike %lg 11.0% · higher = better
Matt Strahm
11.4%
Ryan Rolison
10.1%
Strikeout %lg 22.0% · higher = better
Matt Strahm
17.2%
Ryan Rolison
25.6%
Chase %lg 28.5% · higher = better
Matt Strahm
29.8%
Ryan Rolison
25.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Matt Strahm
40.5%
Ryan Rolison
42.9%
Barrel % Allowedlg 8.0% · lower = better
Matt Strahm
8.3%
Ryan Rolison
6.5%
xwOBA Allowedlg .315 · lower = better
Matt Strahm
.300
Ryan Rolison
.299
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
Matt Strahm
2.504.25
lg xERA 4.10
now 3.86
3.70
Ryan Rolison
2.504.25
lg xERA 4.10
now 2.89
3.70
WHIPlower is better
Matt Strahm
1.171.46
now 1.29
1.24
Ryan Rolison
1.171.46
now 1.39
1.24

Volume · rest of season
Strikeoutshigher is better
Matt Strahm
4044
now 17
36
Ryan Rolison
4044
now 16
18
Winshigher is better
Matt Strahm
.0009.40
now 1
12
Ryan Rolison
.0009.40
now 3
27

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

If you already own them — trade angle
Hold · wait & seeMatt Strahm — hold.conf 0.50
Sell HighRyan Rolison — sell high. His value is peaking; good time to trade him.conf 0.95
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