MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Juan Mejia
Juan Mejia
COL · P
Change to
Portrait of Pierce Johnson
Pierce Johnson
CIN · 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, ERA, and saves. Pierce Johnson’s box score looks better right now, but it’s built on luck that won’t hold.

Head-to-head
K
ERA
WHIP
W
SV

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Juan Mejia
97.6
Pierce Johnson
95.0
Swinging-Strike %lg 11.0% · higher = better
Juan Mejia
14.3%
Pierce Johnson
10.9%
Strikeout %lg 22.0% · higher = better
Juan Mejia
24.5%
Pierce Johnson
21.7%
Chase %lg 28.5% · higher = better
Juan Mejia
33.0%
Pierce Johnson
31.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Juan Mejia
38.0%
Pierce Johnson
35.9%
Barrel % Allowedlg 8.0% · lower = better
Juan Mejia
3.3%
Pierce Johnson
14.1%
xwOBA Allowedlg .315 · lower = better
Juan Mejia
.305
Pierce Johnson
.381
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
2.187.09
lg xERA 4.10
now 6.00
3.70
Pierce Johnson
2.187.09
lg xERA 4.10
now 3.27
3.75
WHIPlower is better
Juan Mejia
1.041.89
now 1.70
1.26
Pierce Johnson
1.041.89
now 1.23
1.24

Volume · rest of season
Strikeoutshigher is better
Juan Mejia
4046.60
now 30
39
Pierce Johnson
4046.60
now 20
35
Winshigher is better
Juan Mejia
.0005.20
now 1
12
Pierce Johnson
.0005.20
now 2
24
Saveshigher is better
Juan Mejia
.0006.60
now 3
35
Pierce Johnson
.0006.60
now 1
13
If you already own them — trade angle
Buy LowJuan Mejia — buy low. The dip is a window to acquire.conf 0.90
Sell HighPierce Johnson — sell high. His value is peaking; good time to trade him.conf 0.95
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