MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Jonathan Bowlan
Jonathan Bowlan
PHI · P
Change to
Portrait of Riley O'Brien
Riley O'Brien
STL · P
Change to
Who's more valuable, rest of season

Riley O'Brien.

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

Head-to-head
K
ERA
WHIP
W
SV

Riley O'Brien wins 3 categories (K, W, SV); Jonathan Bowlan wins 2 (ERA, WHIP).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jonathan Bowlan
97.1
Riley O'Brien
97.8
Swinging-Strike %lg 11.0% · higher = better
Jonathan Bowlan
15.6%
Riley O'Brien
11.2%
Strikeout %lg 22.0% · higher = better
Jonathan Bowlan
31.3%
Riley O'Brien
22.7%
Chase %lg 28.5% · higher = better
Jonathan Bowlan
35.4%
Riley O'Brien
28.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Jonathan Bowlan
35.6%
Riley O'Brien
41.8%
Barrel % Allowedlg 8.0% · lower = better
Jonathan Bowlan
6.8%
Riley O'Brien
7.0%
xwOBA Allowedlg .315 · lower = better
Jonathan Bowlan
.260
Riley O'Brien
.343
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
Jonathan Bowlan
2.045.42
lg xERA 4.10
now 4.67
2.79
Riley O'Brien
2.045.42
lg xERA 4.10
now 3.20
4.58
WHIPlower is better
Jonathan Bowlan
.9001.51
now 1.15
1.10
Riley O'Brien
.9001.51
now 0.99
1.36

Volume · rest of season
Strikeoutshigher is better
Jonathan Bowlan
4036.60
now 16
3
Riley O'Brien
4036.60
now 27
5
Winshigher is better
Jonathan Bowlan
.0004.20
now 1
00
Riley O'Brien
.0004.20
now 3
01
Saveshigher is better
Jonathan Bowlan
.00019.60
now 0
0
Riley O'Brien
.00019.60
now 14
23
If you already own them — trade angle
BuyJonathan Bowlan — buy.conf 0.92
SellRiley O'Brien — sell.conf 0.84
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