MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Blake Treinen
Blake Treinen
LAD · P
Change to
Garrett Whitlock
BOS · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 4 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Blake Treinen wins 0 (none); Garrett Whitlock wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Blake Treinen
94.8
Garrett Whitlock
94.9
Swinging-Strike %lg 11.0% · higher = better
Blake Treinen
11.9%
Garrett Whitlock
18.1%
Strikeout %lg 22.0% · higher = better
Blake Treinen
23.8%
Garrett Whitlock
29.8%
Chase %lg 28.5% · higher = better
Blake Treinen
34.6%
Garrett Whitlock
42.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Blake Treinen
41.2%
Garrett Whitlock
33.8%
Barrel % Allowedlg 8.0% · lower = better
Blake Treinen
10.6%
Garrett Whitlock
3.8%
xwOBA Allowedlg .315 · lower = better
Blake Treinen
.343
Garrett Whitlock
.251
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
Blake Treinen
2.793.96
lg xERA 4.10
now 3.06
3.70
Garrett Whitlock
2.793.96
lg xERA 4.10
now 3.05
3.69
WHIPlower is better
Blake Treinen
1.041.32
now 1.25
1.24
Garrett Whitlock
1.041.32
now 1.11
1.24

Volume · rest of season
Strikeoutshigher is better
Blake Treinen
4036.40
now 18
0
Garrett Whitlock
4036.40
now 26
0
Winshigher is better
Blake Treinen
.0004.20
now 1
0–0
Garrett Whitlock
.0004.20
now 3
0–0

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Hold · wait & seeBlake Treinen — hold.conf 0.50
Hold · wait & seeGarrett Whitlock — hold.conf 0.50
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