Who's more valuable, rest of season
Devin Williams.
He projects to help you in more roto categories the rest of the way — strikeouts and wins. Aroldis Chapman’s box score looks better right now, but the luck-stripped projection flips it.
Head-to-head
K
▶
ERA
WHIP
W
▶
◀
SV
Devin Williams wins 2 categories (K, W); Aroldis Chapman wins 1 (SV); 2 even.
04
Under the hood
Underlying skill — each value vs league avgFastball Velolg 94.0 · higher = better
Aroldis Chapman
96.9
Devin Williams
93.9
Swinging-Strike %lg 11.0% · higher = better
Aroldis Chapman
15.8%
Devin Williams
17.6%
Strikeout %lg 22.0% · higher = better
Aroldis Chapman
30.6%
Devin Williams
29.6%
Chase %lg 28.5% · higher = better
Aroldis Chapman
35.0%
Devin Williams
38.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Aroldis Chapman
38.4%
Devin Williams
30.7%
Barrel % Allowedlg 8.0% · lower = better
Aroldis Chapman
8.2%
Devin Williams
5.7%
xwOBA Allowedlg .315 · lower = better
Aroldis Chapman
.256
Devin Williams
.291
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
27.37
lg xERA 4.10
now 0.48
3.70
Devin Williams
27.37
lg xERA 4.10
now 5.40
3.70
WHIPlower is better
Aroldis Chapman
.9001.83
now 0.86
1.24
Devin Williams
.9001.83
now 1.55
1.24
Volume · rest of season
Strikeoutshigher is better
Aroldis Chapman
4040.60
now 25
31
Devin Williams
4040.60
now 31
35
Winshigher is better
Aroldis Chapman
.0005.60
now 0
0–0
Devin Williams
.0005.60
now 3
2–4
Saveshigher is better
Aroldis Chapman
.20021.80
now 12
9–17
Devin Williams
.20021.80
now 8
5–10
If you already own them — trade angle
Hold · wait & seeAroldis Chapman — hold.conf 0.50
Buy LowDevin Williams — buy low. The dip is a window to acquire.conf 0.90