MLB Daily DeltaWeek 17 · July 21, 2026
Chase Petty
CIN · P
Change to
Portrait of Tomoyuki Sugano
Tomoyuki Sugano
COL · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Chase Petty wins 2 (ERA, WHIP); Tomoyuki Sugano wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Chase Petty
97.0
Tomoyuki Sugano
92.3
Swinging-Strike %lg 11.0% · higher = better
Chase Petty
9.9%
Tomoyuki Sugano
8.0%
Strikeout %lg 22.0% · higher = better
Chase Petty
10.7%
Tomoyuki Sugano
13.4%
Chase %lg 28.5% · higher = better
Chase Petty
26.3%
Tomoyuki Sugano
25.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Chase Petty
38.6%
Tomoyuki Sugano
44.4%
Barrel % Allowedlg 8.0% · lower = better
Chase Petty
8.4%
Tomoyuki Sugano
13.7%
xwOBA Allowedlg .315 · lower = better
Chase Petty
.345
Tomoyuki Sugano
.394
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
Chase Petty
3.077.29
lg xERA 4.10
now 6.35
4.10
Tomoyuki Sugano
3.077.29
lg xERA 4.10
now 4.01
5.98
WHIPlower is better
Chase Petty
1.171.40
now 1.24
1.30
Tomoyuki Sugano
1.171.40
now 1.25
1.33

Volume · rest of season
Strikeoutshigher is better
Chase Petty
4042.60
now 2
8
Tomoyuki Sugano
4042.60
now 31
30
Winshigher is better
Chase Petty
.0007
now 0
00
Tomoyuki Sugano
.0007
now 4
25

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

If you already own them — trade angle
Sell HighChase Petty — sell high. His value is peaking; good time to trade him.conf 0.84
Sell HighTomoyuki Sugano — sell high. His value is peaking; good time to trade him.conf 0.95
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