MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Dennis Santana
Dennis Santana
PIT · P
Change to
Portrait of Ryan Zeferjahn
Ryan Zeferjahn
LAA · 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 (WHIP, SV); Ryan Zeferjahn wins 2 (K, ERA); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Dennis Santana
94.1
Ryan Zeferjahn
97.3
Swinging-Strike %lg 11.0% · higher = better
Dennis Santana
12.1%
Ryan Zeferjahn
11.8%
Strikeout %lg 22.0% · higher = better
Dennis Santana
19.5%
Ryan Zeferjahn
28.2%
Chase %lg 28.5% · higher = better
Dennis Santana
34.9%
Ryan Zeferjahn
22.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Dennis Santana
39.3%
Ryan Zeferjahn
36.8%
Barrel % Allowedlg 8.0% · lower = better
Dennis Santana
9.0%
Ryan Zeferjahn
5.3%
xwOBA Allowedlg .315 · lower = better
Dennis Santana
.335
Ryan Zeferjahn
.302
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
2.886.56
lg xERA 4.10
now 4.81
3.74
Ryan Zeferjahn
2.886.56
lg xERA 4.10
now 5.74
3.70
WHIPlower is better
Dennis Santana
1.161.57
now 1.48
1.25
Ryan Zeferjahn
1.161.57
now 1.39
1.26

Volume · rest of season
Strikeoutshigher is better
Dennis Santana
4051.20
now 19
27
Ryan Zeferjahn
4051.20
now 32
42
Winshigher is better
Dennis Santana
.0005.20
now 2
24
Ryan Zeferjahn
.0005.20
now 2
14
Saveshigher is better
Dennis Santana
.0005.40
now 2
24
Ryan Zeferjahn
.0005.40
now 1
12
If you already own them — trade angle
Hold · wait & seeDennis Santana — hold.conf 0.50
Hold · wait & seeRyan Zeferjahn — hold.conf 0.50
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