MLB Daily DeltaWeek 27 · September 28, 2026
Jake Irvin
WSH · P
Change to
Portrait of Tatsuya Imai
Tatsuya Imai
HOU · 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

Jake Irvin wins 1 (WHIP); Tatsuya Imai wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jake Irvin
93.2
Tatsuya Imai
94.8
Swinging-Strike %lg 11.0% · higher = better
Jake Irvin
11.2%
Tatsuya Imai
14.3%
Strikeout %lg 22.0% · higher = better
Jake Irvin
23.4%
Tatsuya Imai
28.7%
Chase %lg 28.5% · higher = better
Jake Irvin
25.0%
Tatsuya Imai
27.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Jake Irvin
44.9%
Tatsuya Imai
44.6%
Barrel % Allowedlg 8.0% · lower = better
Jake Irvin
10.9%
Tatsuya Imai
9.2%
xwOBA Allowedlg .315 · lower = better
Jake Irvin
.351
Tatsuya Imai
.330
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
Jake Irvin
4.045.94
lg xERA 4.10
now 5.23
4.93
Tatsuya Imai
4.045.94
lg xERA 4.10
now 5.52
4.46
WHIPlower is better
Jake Irvin
1.281.52
now 1.35
1.36
Tatsuya Imai
1.281.52
now 1.36
1.45

Volume · rest of season
Strikeoutshigher is better
Jake Irvin
4081.20
now 58
0
Tatsuya Imai
4081.20
now 28
0
Winshigher is better
Jake Irvin
.0002.80
now 2
0–0
Tatsuya Imai
.0002.80
now 2
0–0

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

If you already own them — trade angle
SellJake Irvin — sell.conf 0.90
SellTatsuya Imai — sell.conf 0.72
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