MLB Daily DeltaWeek 19 · August 5, 2026
Ryan Feltner
COL · P
Change to
Sean Sullivan
COL · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Ryan Feltner wins 2 (K, W); Sean Sullivan wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Ryan Feltner
94.9
Sean Sullivan
87.6
Swinging-Strike %lg 11.0% · higher = better
Ryan Feltner
11.8%
Sean Sullivan
7.7%
Strikeout %lg 22.0% · higher = better
Ryan Feltner
17.1%
Sean Sullivan
14.0%
Chase %lg 28.5% · higher = better
Ryan Feltner
26.3%
Sean Sullivan
28.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Ryan Feltner
40.7%
Sean Sullivan
34.5%
Barrel % Allowedlg 8.0% · lower = better
Ryan Feltner
11.4%
Sean Sullivan
9.5%
xwOBA Allowedlg .315 · lower = better
Ryan Feltner
.360
Sean Sullivan
.335
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
Ryan Feltner
27.13
lg xERA 4.10
now 4.85
5.09
Sean Sullivan
27.13
lg xERA 4.10
now 0.00
4.10
WHIPlower is better
Ryan Feltner
.9001.69
now 1.31
1.40
Sean Sullivan
.9001.69
now 0.67
1.30

Volume · rest of season
Strikeoutshigher is better
Ryan Feltner
4035.60
now 19
26
Sean Sullivan
4035.60
now 2
20
Winshigher is better
Ryan Feltner
.0005.60
now 2
24
Sean Sullivan
.0005.60
now 0
00

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

If you already own them — trade angle
SellRyan Feltner — sell.conf 0.90
Hold · wait & seeSean Sullivan — hold.conf 0.55
Tweet