MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Riley O'Brien
Riley O'Brien
STL · P
Change to
Portrait of Robert Suarez
Robert Suarez
ATL · P
Change to
Who's more valuable, rest of season

Robert Suarez.

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

Head-to-head
K
ERA
WHIP
W
SV

Robert Suarez wins 2 categories (ERA, WHIP); Riley O'Brien wins 1 (SV); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Riley O'Brien
97.8
Robert Suarez
98.8
Swinging-Strike %lg 11.0% · higher = better
Riley O'Brien
11.2%
Robert Suarez
12.9%
Strikeout %lg 22.0% · higher = better
Riley O'Brien
22.7%
Robert Suarez
21.5%
Chase %lg 28.5% · higher = better
Riley O'Brien
28.2%
Robert Suarez
38.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Riley O'Brien
41.8%
Robert Suarez
33.0%
Barrel % Allowedlg 8.0% · lower = better
Riley O'Brien
7.0%
Robert Suarez
3.4%
xwOBA Allowedlg .315 · lower = better
Riley O'Brien
.343
Robert Suarez
.282
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
Riley O'Brien
26.13
lg xERA 4.10
now 3.20
4.58
Robert Suarez
26.13
lg xERA 4.10
now 0.71
3.68
WHIPlower is better
Riley O'Brien
.9001.57
now 0.99
1.36
Robert Suarez
.9001.57
now 0.83
1.24

Volume · rest of season
Strikeoutshigher is better
Riley O'Brien
4035.80
now 27
5
Robert Suarez
4035.80
now 22
5
Winshigher is better
Riley O'Brien
.0005.60
now 3
01
Robert Suarez
.0005.60
now 4
01
Saveshigher is better
Riley O'Brien
.00019.20
now 14
23
Robert Suarez
.00019.20
now 4
11
If you already own them — trade angle
SellRiley O'Brien — sell.conf 0.83
Sell HighRobert Suarez — sell high. His value is peaking; good time to trade him.conf 0.95
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