MLB Daily DeltaWeek 27 · September 29, 2026
Portrait of Joel Kuhnel
Joel Kuhnel
SF · P
Change to
Portrait of Juan Mejia
Juan Mejia
COL · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Joel Kuhnel wins 1 (WHIP); Juan Mejia wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Joel Kuhnel
95.3
Juan Mejia
96.9
Swinging-Strike %lg 11.0% · higher = better
Joel Kuhnel
10.4%
Juan Mejia
11.1%
Strikeout %lg 22.0% · higher = better
Joel Kuhnel
13.9%
Juan Mejia
20.4%
Chase %lg 28.5% · higher = better
Joel Kuhnel
27.8%
Juan Mejia
30.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Joel Kuhnel
39.5%
Juan Mejia
38.8%
Barrel % Allowedlg 8.0% · lower = better
Joel Kuhnel
6.6%
Juan Mejia
3.7%
xwOBA Allowedlg .315 · lower = better
Joel Kuhnel
.362
Juan Mejia
.332
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
Joel Kuhnel
27.18
lg xERA 4.10
now 3.04
5.05
Juan Mejia
27.18
lg xERA 4.10
now 6.00
4.37
WHIPlower is better
Joel Kuhnel
.9701.91
now 1.18
1.43
Juan Mejia
.9701.91
now 1.70
1.50

Volume · rest of season
Strikeoutshigher is better
Joel Kuhnel
4042
now 13
0
Juan Mejia
4042
now 30
0
Winshigher is better
Joel Kuhnel
.0001.48
now 1
0–0
Juan Mejia
.0001.48
now 1
0–0

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

If you already own them — trade angle
SellJoel Kuhnel — sell.conf 0.90
Hold · leans sellJuan Mejia — hold.conf 0.60
Tweet