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

Kenley Jansen.

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

Head-to-head
K
ERA
WHIP
W
SV

Kenley Jansen wins 2 categories (K, SV); Caleb Thielbar wins 1 (W); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Caleb Thielbar
93.3
Kenley Jansen
93.9
Swinging-Strike %lg 11.0% · higher = better
Caleb Thielbar
14.6%
Kenley Jansen
12.8%
Strikeout %lg 22.0% · higher = better
Caleb Thielbar
29.2%
Kenley Jansen
27.0%
Chase %lg 28.5% · higher = better
Caleb Thielbar
36.5%
Kenley Jansen
30.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Caleb Thielbar
39.8%
Kenley Jansen
36.1%
Barrel % Allowedlg 8.0% · lower = better
Caleb Thielbar
11.0%
Kenley Jansen
9.3%
xwOBA Allowedlg .315 · lower = better
Caleb Thielbar
.328
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
Caleb Thielbar
2.065.58
lg xERA 4.10
now 2.84
3.70
Kenley Jansen
2.065.58
lg xERA 4.10
now 4.80
3.70
WHIPlower is better
Caleb Thielbar
1.131.41
now 1.34
1.24
Kenley Jansen
1.131.41
now 1.20
1.24

Volume · rest of season
Strikeoutshigher is better
Caleb Thielbar
4024.60
now 15
5
Kenley Jansen
4024.60
now 19
6
Winshigher is better
Caleb Thielbar
.0002.80
now 2
01
Kenley Jansen
.0002.80
now 1
00
Saveshigher is better
Caleb Thielbar
.0009.80
now 2
01
Kenley Jansen
.0009.80
now 7
13
If you already own them — trade angle
Hold · wait & seeCaleb Thielbar — hold.conf 0.50
Hold · wait & seeKenley Jansen — hold.conf 0.50
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