MLB Daily DeltaWeek 19 · August 1, 2026
Portrait of Kevin Kelly
Kevin Kelly
TB · P
Change to
Portrait of Ryan Rolison
Ryan Rolison
CHC · P
Change to
Who's more valuable, rest of season

Kevin Kelly.

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

Head-to-head
K
ERA
WHIP
W
SV

Kevin Kelly wins 3 categories (K, WHIP, SV); Ryan Rolison wins 1 (W); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kevin Kelly
93.1
Ryan Rolison
94.6
Swinging-Strike %lg 11.0% · higher = better
Kevin Kelly
9.3%
Ryan Rolison
9.9%
Strikeout %lg 22.0% · higher = better
Kevin Kelly
21.6%
Ryan Rolison
25.3%
Chase %lg 28.5% · higher = better
Kevin Kelly
32.6%
Ryan Rolison
24.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Kevin Kelly
45.5%
Ryan Rolison
42.9%
Barrel % Allowedlg 8.0% · lower = better
Kevin Kelly
6.7%
Ryan Rolison
6.5%
xwOBA Allowedlg .315 · lower = better
Kevin Kelly
.304
Ryan Rolison
.311
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
Kevin Kelly
2.254.13
lg xERA 4.10
now 2.67
3.71
Ryan Rolison
2.254.13
lg xERA 4.10
now 2.89
3.70
WHIPlower is better
Kevin Kelly
.9001.62
now 0.81
1.23
Ryan Rolison
.9001.62
now 1.39
1.24

Volume · rest of season
Strikeoutshigher is better
Kevin Kelly
4024.60
now 19
12
Ryan Rolison
4024.60
now 16
11
Winshigher is better
Kevin Kelly
.0005.20
now 3
13
Ryan Rolison
.0005.20
now 3
24
Saveshigher is better
Kevin Kelly
.0003.40
now 2
12
Ryan Rolison
.0003.40
now 0
0
If you already own them — trade angle
Sell HighKevin Kelly — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · wait & seeRyan Rolison — hold.conf 0.50
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