MLB Daily DeltaWeek 15 · July 3, 2026
David Morgan
SD · 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

David Morgan 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
David Morgan
97.4
Ryan Rolison
94.5
Swinging-Strike %lg 11.0% · higher = better
David Morgan
16.1%
Ryan Rolison
10.0%
Strikeout %lg 22.0% · higher = better
David Morgan
24.8%
Ryan Rolison
25.4%
Chase %lg 28.5% · higher = better
David Morgan
36.3%
Ryan Rolison
25.4%
Hard-Hit % Allowedlg 40.0% · lower = better
David Morgan
27.0%
Ryan Rolison
42.3%
Barrel % Allowedlg 8.0% · lower = better
David Morgan
1.6%
Ryan Rolison
6.4%
xwOBA Allowedlg .315 · lower = better
David Morgan
.284
Ryan Rolison
.298
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
David Morgan
26.24
lg xERA 4.10
now 5.28
3.70
Ryan Rolison
26.24
lg xERA 4.10
now 2.89
3.70
WHIPlower is better
David Morgan
.9802.15
now 1.89
1.24
Ryan Rolison
.9802.15
now 1.39
1.24

Volume · rest of season
Strikeoutshigher is better
David Morgan
4034.60
now 17
29
Ryan Rolison
4034.60
now 16
17
Winshigher is better
David Morgan
.4007.60
now 2
25
Ryan Rolison
.4007.60
now 3
26

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

If you already own them — trade angle
Buy LowDavid Morgan — buy low. The dip is a window to acquire.conf 0.90
Sell HighRyan Rolison — sell high. His value is peaking; good time to trade him.conf 0.95
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