MLB Daily DeltaWeek 19 · July 31, 2026
Garrett Whitlock
BOS · P
Change to
Portrait of Mitchell Parker
Mitchell Parker
WSH · P
Change to
Who's more valuable, rest of season

Garrett Whitlock.

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

Head-to-head
K
ERA
WHIP
W
SV

Garrett Whitlock wins 3 categories (K, ERA, WHIP); Mitchell Parker wins 1 (SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Garrett Whitlock
94.9
Mitchell Parker
93.6
Swinging-Strike %lg 11.0% · higher = better
Garrett Whitlock
16.4%
Mitchell Parker
14.1%
Strikeout %lg 22.0% · higher = better
Garrett Whitlock
27.6%
Mitchell Parker
19.1%
Chase %lg 28.5% · higher = better
Garrett Whitlock
41.8%
Mitchell Parker
32.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Garrett Whitlock
34.6%
Mitchell Parker
41.9%
Barrel % Allowedlg 8.0% · lower = better
Garrett Whitlock
3.8%
Mitchell Parker
8.5%
xwOBA Allowedlg .315 · lower = better
Garrett Whitlock
.261
Mitchell Parker
.347
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
Garrett Whitlock
2.166.17
lg xERA 4.10
now 3.05
3.69
Mitchell Parker
2.166.17
lg xERA 4.10
now 5.28
3.82
WHIPlower is better
Garrett Whitlock
1.041.32
now 1.11
1.24
Mitchell Parker
1.041.32
now 1.17
1.25

Volume · rest of season
Strikeoutshigher is better
Garrett Whitlock
4031.60
now 26
21
Mitchell Parker
4031.60
now 26
20
Winshigher is better
Garrett Whitlock
.0005.20
now 3
14
Mitchell Parker
.0005.20
now 2
12
Saveshigher is better
Garrett Whitlock
.0002.40
now 0
0
Mitchell Parker
.0002.40
now 1
11
If you already own them — trade angle
Sell HighGarrett Whitlock — sell high. His value is peaking; good time to trade him.conf 0.87
Hold · wait & seeMitchell Parker — hold.conf 0.55
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