MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Ryan Zeferjahn
Ryan Zeferjahn
CHC · P
Change to
Portrait of Tanner Banks
Tanner Banks
PHI · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Ryan Zeferjahn wins 1 (ERA); Tanner Banks 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
Ryan Zeferjahn
97.4
Tanner Banks
92.0
Swinging-Strike %lg 11.0% · higher = better
Ryan Zeferjahn
13.0%
Tanner Banks
11.6%
Strikeout %lg 22.0% · higher = better
Ryan Zeferjahn
31.2%
Tanner Banks
21.9%
Chase %lg 28.5% · higher = better
Ryan Zeferjahn
25.3%
Tanner Banks
31.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Ryan Zeferjahn
36.1%
Tanner Banks
33.7%
Barrel % Allowedlg 8.0% · lower = better
Ryan Zeferjahn
6.1%
Tanner Banks
6.9%
xwOBA Allowedlg .315 · lower = better
Ryan Zeferjahn
.278
Tanner Banks
.323
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
Ryan Zeferjahn
28.17
lg xERA 4.10
now 5.74
3.20
Tanner Banks
28.17
lg xERA 4.10
now 6.75
3.71
WHIPlower is better
Ryan Zeferjahn
.9102.39
now 1.39
1.33
Tanner Banks
.9102.39
now 2.06
1.24

Volume · rest of season
Strikeoutshigher is better
Ryan Zeferjahn
4042.40
now 32
6
Tanner Banks
4042.40
now 25
6
Winshigher is better
Ryan Zeferjahn
.0002.80
now 2
01
Tanner Banks
.0002.80
now 0
00

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

If you already own them — trade angle
BuyRyan Zeferjahn — buy.conf 0.87
Hold · wait & seeTanner Banks — hold.conf 0.55
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