MLB Daily DeltaWeek 18 · July 29, 2026
Portrait of Aroldis Chapman
Aroldis Chapman
BOS · P
Change to
Portrait of Louis Varland
Louis Varland
TOR · P
Change to
Who's more valuable, rest of season

Louis Varland.

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

Head-to-head
K
ERA
WHIP
W
SV

Louis Varland wins 3 categories (ERA, WHIP, W); Aroldis Chapman wins 2 (K, SV).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Aroldis Chapman
96.9
Louis Varland
98.6
Swinging-Strike %lg 11.0% · higher = better
Aroldis Chapman
15.1%
Louis Varland
15.3%
Strikeout %lg 22.0% · higher = better
Aroldis Chapman
30.6%
Louis Varland
35.3%
Chase %lg 28.5% · higher = better
Aroldis Chapman
33.1%
Louis Varland
36.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Aroldis Chapman
38.1%
Louis Varland
34.7%
Barrel % Allowedlg 8.0% · lower = better
Aroldis Chapman
7.1%
Louis Varland
2.5%
xwOBA Allowedlg .315 · lower = better
Aroldis Chapman
.264
Louis Varland
.217
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
25.06
lg xERA 4.10
now 0.48
3.70
Louis Varland
25.06
lg xERA 4.10
now 0.29
1.96
WHIPlower is better
Aroldis Chapman
.9001.39
now 0.86
1.24
Louis Varland
.9001.39
now 1.03
1.08

Volume · rest of season
Strikeoutshigher is better
Aroldis Chapman
4050
now 25
27
Louis Varland
4050
now 42
22
Winshigher is better
Aroldis Chapman
.0002.80
now 0
00
Louis Varland
.0002.80
now 2
12
Saveshigher is better
Aroldis Chapman
.00018
now 12
814
Louis Varland
.00018
now 8
47
If you already own them — trade angle
Hold · wait & seeAroldis Chapman — hold.conf 0.50
BuyLouis Varland — buy.conf 0.92
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