MLB Daily DeltaWeek 18 · July 23, 2026
Portrait of Juan Mejia
Juan Mejia
COL · P
Change to
Portrait of Reynaldo López
Reynaldo López
ATL · P
Change to
Who's more valuable, rest of season

Reynaldo López.

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

Head-to-head
K
ERA
WHIP
W
SV

Reynaldo López wins 3 categories (K, WHIP, W); Juan Mejia wins 2 (ERA, SV).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Juan Mejia
97.4
Reynaldo López
94.4
Swinging-Strike %lg 11.0% · higher = better
Juan Mejia
13.0%
Reynaldo López
10.3%
Strikeout %lg 22.0% · higher = better
Juan Mejia
22.9%
Reynaldo López
21.2%
Chase %lg 28.5% · higher = better
Juan Mejia
31.9%
Reynaldo López
27.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Juan Mejia
40.0%
Reynaldo López
35.8%
Barrel % Allowedlg 8.0% · lower = better
Juan Mejia
3.8%
Reynaldo López
7.8%
xwOBA Allowedlg .315 · lower = better
Juan Mejia
.316
Reynaldo López
.338
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
2.237.08
lg xERA 4.10
now 6.00
4.03
Reynaldo López
2.237.08
lg xERA 4.10
now 3.31
4.46
WHIPlower is better
Juan Mejia
1.181.85
now 1.70
1.41
Reynaldo López
1.181.85
now 1.33
1.36

Volume · rest of season
Strikeoutshigher is better
Juan Mejia
4036.60
now 30
24
Reynaldo López
4036.60
now 31
28
Winshigher is better
Juan Mejia
.2003.80
now 1
11
Reynaldo López
.2003.80
now 2
13
Saveshigher is better
Juan Mejia
.0004.40
now 3
23
Reynaldo López
.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
SellReynaldo López — sell.conf 0.78
Tweet