MLB Daily DeltaWeek 19 · August 3, 2026
Cionel Pérez
NYM · P
Change to
Portrait of Paul Blackburn
Paul Blackburn
NYY · P
Change to
Who's more valuable, rest of season

Paul Blackburn.

He projects to help you in more roto categories the rest of the way — strikeouts and ERA.

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

Paul Blackburn wins 2 categories (K, ERA); Cionel Pérez wins 1 (WHIP); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Cionel Pérez
96.9
Paul Blackburn
94.7
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
11.6%
Paul Blackburn
10.4%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
22.7%
Paul Blackburn
20.3%
Chase %lg 28.5% · higher = better
Cionel Pérez
30.0%
Paul Blackburn
27.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
50.0%
Paul Blackburn
32.9%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
12.9%
Paul Blackburn
6.7%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.346
Paul Blackburn
.288
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
Cionel Pérez
2.336.82
lg xERA 4.10
now 5.82
3.70
Paul Blackburn
2.336.82
lg xERA 4.10
now 3.33
3.43
WHIPlower is better
Cionel Pérez
1.101.73
now 1.59
1.24
Paul Blackburn
1.101.73
now 1.44
1.30

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4021.60
now 10
8
Paul Blackburn
4021.60
now 16
11
Winshigher is better
Cionel Pérez
.2003.80
now 2
13
Paul Blackburn
.2003.80
now 2
12

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

If you already own them — trade angle
Hold · wait & seeCionel Pérez — hold.conf 0.50
Sell HighPaul Blackburn — sell high. His value is peaking; good time to trade him.conf 0.95
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