MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Dennis Santana
Dennis Santana
AZ · 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 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Dennis Santana wins 2 (ERA, WHIP); Juan Mejia wins 2 (K, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Dennis Santana
94.1
Juan Mejia
97.0
Swinging-Strike %lg 11.0% · higher = better
Dennis Santana
12.7%
Juan Mejia
11.5%
Strikeout %lg 22.0% · higher = better
Dennis Santana
21.4%
Juan Mejia
19.9%
Chase %lg 28.5% · higher = better
Dennis Santana
33.2%
Juan Mejia
30.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Dennis Santana
41.0%
Juan Mejia
37.9%
Barrel % Allowedlg 8.0% · lower = better
Dennis Santana
9.0%
Juan Mejia
3.3%
xwOBA Allowedlg .315 · lower = better
Dennis Santana
.332
Juan Mejia
.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
Dennis Santana
3.686.66
lg xERA 4.10
now 4.81
4.34
Juan Mejia
3.686.66
lg xERA 4.10
now 6.00
4.47
WHIPlower is better
Dennis Santana
1.241.83
now 1.48
1.37
Juan Mejia
1.241.83
now 1.70
1.53

Volume · rest of season
Strikeoutshigher is better
Dennis Santana
4040.40
now 19
4
Juan Mejia
4040.40
now 30
6
Winshigher is better
Dennis Santana
.0002.80
now 2
01
Juan Mejia
.0002.80
now 1
00
Saveshigher is better
Dennis Santana
.0004.40
now 2
01
Juan Mejia
.0004.40
now 3
01
If you already own them — trade angle
SellDennis Santana — sell.conf 0.73
Hold · leans sellJuan Mejia — hold.conf 0.60
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