MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Matthew Liberatore
Matthew Liberatore
STL · 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

Matthew Liberatore 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
Matthew Liberatore
94.3
Tatsuya Imai
94.8
Swinging-Strike %lg 11.0% · higher = better
Matthew Liberatore
11.0%
Tatsuya Imai
14.3%
Strikeout %lg 22.0% · higher = better
Matthew Liberatore
22.8%
Tatsuya Imai
28.7%
Chase %lg 28.5% · higher = better
Matthew Liberatore
28.6%
Tatsuya Imai
27.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Matthew Liberatore
42.4%
Tatsuya Imai
44.6%
Barrel % Allowedlg 8.0% · lower = better
Matthew Liberatore
9.3%
Tatsuya Imai
9.2%
xwOBA Allowedlg .315 · lower = better
Matthew Liberatore
.341
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
Matthew Liberatore
3.885.99
lg xERA 4.10
now 4.35
4.70
Tatsuya Imai
3.885.99
lg xERA 4.10
now 5.52
4.46
WHIPlower is better
Matthew Liberatore
1.291.57
now 1.50
1.39
Tatsuya Imai
1.291.57
now 1.36
1.45

Volume · rest of season
Strikeoutshigher is better
Matthew Liberatore
4079.80
now 57
0
Tatsuya Imai
4079.80
now 28
0
Winshigher is better
Matthew Liberatore
.0004.20
now 3
0–0
Tatsuya Imai
.0004.20
now 2
0–0

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

If you already own them — trade angle
SellMatthew Liberatore — sell.conf 0.83
SellTatsuya Imai — sell.conf 0.72
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