MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Brent Headrick
Brent Headrick
NYY · P
Change to
Kenley Jansen
DET · P
Change to
Who's more valuable, rest of season

Brent Headrick.

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

Brent Headrick wins 3 categories (ERA, WHIP, W); Kenley Jansen wins 2 (K, SV).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brent Headrick
94.2
Kenley Jansen
93.9
Swinging-Strike %lg 11.0% · higher = better
Brent Headrick
17.6%
Kenley Jansen
12.8%
Strikeout %lg 22.0% · higher = better
Brent Headrick
30.7%
Kenley Jansen
27.0%
Chase %lg 28.5% · higher = better
Brent Headrick
34.9%
Kenley Jansen
30.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Brent Headrick
37.0%
Kenley Jansen
36.1%
Barrel % Allowedlg 8.0% · lower = better
Brent Headrick
4.3%
Kenley Jansen
9.3%
xwOBA Allowedlg .315 · lower = better
Brent Headrick
.262
Kenley Jansen
.298
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
Brent Headrick
25.92
lg xERA 4.10
now 2.00
2.83
Kenley Jansen
25.92
lg xERA 4.10
now 4.80
3.70
WHIPlower is better
Brent Headrick
1.101.45
now 1.37
1.18
Kenley Jansen
1.101.45
now 1.20
1.24

Volume · rest of season
Strikeoutshigher is better
Brent Headrick
4038.60
now 29
5
Kenley Jansen
4038.60
now 19
6
Winshigher is better
Brent Headrick
.0004.20
now 3
01
Kenley Jansen
.0004.20
now 1
00
Saveshigher is better
Brent Headrick
.0009.80
now 0
0
Kenley Jansen
.0009.80
now 7
13
If you already own them — trade angle
BuyBrent Headrick — buy.conf 0.92
Hold · wait & seeKenley Jansen — hold.conf 0.50
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