MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Dennis Santana
Dennis Santana
AZ · P
Change to
Portrait of Pierce Johnson
Pierce Johnson
CIN · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
◀
ERA
WHIP
▶
W
SV n/a

Dennis Santana wins 1 (ERA); Pierce Johnson wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Dennis Santana
94.1
Pierce Johnson
95.8
Swinging-Strike %lg 11.0% · higher = better
Dennis Santana
12.9%
Pierce Johnson
11.1%
Strikeout %lg 22.0% · higher = better
Dennis Santana
20.4%
Pierce Johnson
19.9%
Chase %lg 28.5% · higher = better
Dennis Santana
33.4%
Pierce Johnson
33.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Dennis Santana
40.9%
Pierce Johnson
37.3%
Barrel % Allowedlg 8.0% · lower = better
Dennis Santana
8.5%
Pierce Johnson
10.0%
xwOBA Allowedlg .315 · lower = better
Dennis Santana
.333
Pierce Johnson
.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
2.655.43
lg xERA 4.10
now 4.81
4.39
Pierce Johnson
2.655.43
lg xERA 4.10
now 3.27
4.49
WHIPlower is better
Dennis Santana
1.131.58
now 1.48
1.37
Pierce Johnson
1.131.58
now 1.23
1.35

Volume · rest of season
Strikeoutshigher is better
Dennis Santana
4028
now 19
0
Pierce Johnson
4028
now 20
0
Winshigher is better
Dennis Santana
.0002.80
now 2
0–0
Pierce Johnson
.0002.80
now 2
0–0

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
SellDennis Santana — sell.conf 0.75
SellPierce Johnson — sell.conf 0.80
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