MLB Daily DeltaWeek 27 · September 27, 2026
Beau Brieske
DET · P
Change to
Kenley Jansen
DET · 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

Beau Brieske wins 0 (none); Kenley Jansen 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
Beau Brieske
95.5
Kenley Jansen
93.9
Swinging-Strike %lg 11.0% · higher = better
Beau Brieske
10.9%
Kenley Jansen
13.0%
Strikeout %lg 22.0% · higher = better
Beau Brieske
23.1%
Kenley Jansen
28.3%
Chase %lg 28.5% · higher = better
Beau Brieske
32.4%
Kenley Jansen
30.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Beau Brieske
46.9%
Kenley Jansen
38.1%
Barrel % Allowedlg 8.0% · lower = better
Beau Brieske
7.8%
Kenley Jansen
9.5%
xwOBA Allowedlg .315 · lower = better
Beau Brieske
.300
Kenley Jansen
.293
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
Beau Brieske
28.25
lg xERA 4.10
now 32.40
3.70
Kenley Jansen
28.25
lg xERA 4.10
now 4.80
3.70
WHIPlower is better
Beau Brieske
.9002.55
now 3.60
1.24
Kenley Jansen
.9002.55
now 1.20
1.24

Volume · rest of season
Strikeoutshigher is better
Beau Brieske
4026.60
now 3
0
Kenley Jansen
4026.60
now 19
0
Winshigher is better
Beau Brieske
.0001.48
now 0
0–0
Kenley Jansen
.0001.48
now 1
0–0

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

If you already own them — trade angle
Hold · wait & seeBeau Brieske — hold.conf 0.50
Sell HighKenley Jansen — sell high. His value is peaking; good time to trade him.conf 0.71
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