MLB Daily DeltaWeek 17 · July 21, 2026
Portrait of Brent Headrick
Brent Headrick
NYY · P
Change to
Portrait of Caleb Thielbar
Caleb Thielbar
CHC · P
Change to
Who's more valuable, rest of season

Caleb Thielbar.

He projects to help you in more roto categories the rest of the way — WHIP, wins, and saves. Brent Headrick’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
K
ERA
WHIP
W
SV

Caleb Thielbar wins 3 categories (WHIP, W, SV); Brent Headrick wins 2 (K, ERA).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brent Headrick
94.3
Caleb Thielbar
93.2
Swinging-Strike %lg 11.0% · higher = better
Brent Headrick
17.9%
Caleb Thielbar
15.5%
Strikeout %lg 22.0% · higher = better
Brent Headrick
28.4%
Caleb Thielbar
30.3%
Chase %lg 28.5% · higher = better
Brent Headrick
34.1%
Caleb Thielbar
38.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Brent Headrick
36.2%
Caleb Thielbar
38.4%
Barrel % Allowedlg 8.0% · lower = better
Brent Headrick
4.7%
Caleb Thielbar
15.1%
xwOBA Allowedlg .315 · lower = better
Brent Headrick
.265
Caleb Thielbar
.326
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
Brent Headrick
24.38
lg xERA 4.10
now 2.00
2.89
Caleb Thielbar
24.38
lg xERA 4.10
now 2.84
3.70
WHIPlower is better
Brent Headrick
1.171.44
now 1.37
1.25
Caleb Thielbar
1.171.44
now 1.34
1.24

Volume · rest of season
Strikeoutshigher is better
Brent Headrick
4034.60
now 29
22
Caleb Thielbar
4034.60
now 15
19
Winshigher is better
Brent Headrick
.0005.20
now 3
14
Caleb Thielbar
.0005.20
now 2
24
Saveshigher is better
Brent Headrick
.0007
now 0
0
Caleb Thielbar
.0007
now 2
15
If you already own them — trade angle
BuyBrent Headrick — buy.conf 0.92
Hold · wait & seeCaleb Thielbar — hold.conf 0.50
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