Who's more valuable, rest of season
Aroldis Chapman.
He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and saves. Riley O'Brien’s box score looks better right now, but the luck-stripped projection flips it.
Head-to-head
◀
K
◀
ERA
WHIP
W
▶
◀
SV
Aroldis Chapman wins 3 categories (K, ERA, SV); Riley O'Brien wins 1 (W); 1 even.
04
Under the hood
Underlying skill — each value vs league avgFastball Velolg 94.0 · higher = better
Aroldis Chapman
96.9
Riley O'Brien
98.2
Swinging-Strike %lg 11.0% · higher = better
Aroldis Chapman
15.8%
Riley O'Brien
12.1%
Strikeout %lg 22.0% · higher = better
Aroldis Chapman
30.6%
Riley O'Brien
23.7%
Chase %lg 28.5% · higher = better
Aroldis Chapman
35.0%
Riley O'Brien
29.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Aroldis Chapman
38.4%
Riley O'Brien
38.9%
Barrel % Allowedlg 8.0% · lower = better
Aroldis Chapman
8.2%
Riley O'Brien
6.5%
xwOBA Allowedlg .315 · lower = better
Aroldis Chapman
.256
Riley O'Brien
.323
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
Aroldis Chapman
25.03
lg xERA 4.10
now 0.48
3.70
Riley O'Brien
25.03
lg xERA 4.10
now 3.20
3.73
WHIPlower is better
Aroldis Chapman
.9001.39
now 0.86
1.24
Riley O'Brien
.9001.39
now 0.99
1.24
Volume · rest of season
Strikeoutshigher is better
Aroldis Chapman
4036.60
now 25
31
Riley O'Brien
4036.60
now 27
23
Winshigher is better
Aroldis Chapman
.0005.60
now 0
0–0
Riley O'Brien
.0005.60
now 3
2–4
Saveshigher is better
Aroldis Chapman
4.4020.60
now 12
9–17
Riley O'Brien
4.4020.60
now 14
8–15
If you already own them — trade angle
Hold · wait & seeAroldis Chapman — hold.conf 0.50
Hold · wait & seeRiley O'Brien — hold.conf 0.50