MLB Daily DeltaWeek 18 · July 28, 2026
Portrait of Juan Mejia
Juan Mejia
COL · P
Change to
Portrait of Luis Medina
Luis Medina
ATH · P
Change to
Who's more valuable, rest of season

Juan Mejia.

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

Juan Mejia wins 2 categories (K, SV); Luis Medina wins 1 (WHIP); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Juan Mejia
97.4
Luis Medina
97.5
Swinging-Strike %lg 11.0% · higher = better
Juan Mejia
12.7%
Luis Medina
13.1%
Strikeout %lg 22.0% · higher = better
Juan Mejia
22.7%
Luis Medina
27.4%
Chase %lg 28.5% · higher = better
Juan Mejia
31.8%
Luis Medina
24.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Juan Mejia
38.8%
Luis Medina
39.5%
Barrel % Allowedlg 8.0% · lower = better
Juan Mejia
3.7%
Luis Medina
7.3%
xwOBA Allowedlg .315 · lower = better
Juan Mejia
.318
Luis Medina
.318
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
Juan Mejia
27.25
lg xERA 4.10
now 6.00
4.05
Luis Medina
27.25
lg xERA 4.10
now 2.88
4.05
WHIPlower is better
Juan Mejia
11.90
now 1.70
1.42
Luis Medina
11.90
now 1.20
1.36

Volume · rest of season
Strikeoutshigher is better
Juan Mejia
4035.60
now 30
22
Luis Medina
4035.60
now 27
19
Winshigher is better
Juan Mejia
.0001.48
now 1
01
Luis Medina
.0001.48
now 1
01
Saveshigher is better
Juan Mejia
.0004.40
now 3
13
Luis Medina
.0004.40
now 0
0
If you already own them — trade angle
Buy LowJuan Mejia — buy low. The dip is a window to acquire.conf 0.90
Hold · steadyLuis Medina — hold.conf 0.60
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