MLB Daily DeltaWeek 27 · September 27, 2026
Brycen Mautz
STL · 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

Brycen Mautz 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
Brycen Mautz
93.5
Kenley Jansen
93.9
Swinging-Strike %lg 11.0% · higher = better
Brycen Mautz
13.9%
Kenley Jansen
13.0%
Strikeout %lg 22.0% · higher = better
Brycen Mautz
25.3%
Kenley Jansen
28.3%
Chase %lg 28.5% · higher = better
Brycen Mautz
23.3%
Kenley Jansen
30.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Brycen Mautz
30.2%
Kenley Jansen
38.1%
Barrel % Allowedlg 8.0% · lower = better
Brycen Mautz
9.3%
Kenley Jansen
9.5%
xwOBA Allowedlg .315 · lower = better
Brycen Mautz
.357
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
Brycen Mautz
28.25
lg xERA 4.10
now 9.00
3.70
Kenley Jansen
28.25
lg xERA 4.10
now 4.80
3.70
WHIPlower is better
Brycen Mautz
.9002.32
now 2.00
1.24
Kenley Jansen
.9002.32
now 1.20
1.24

Volume · rest of season
Strikeoutshigher is better
Brycen Mautz
4026.60
now 10
0
Kenley Jansen
4026.60
now 19
0
Winshigher is better
Brycen Mautz
.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 & seeBrycen Mautz — 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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