MLB Daily DeltaWeek 25 · September 10, 2026
Josh Hader
HOU · P
Change to
Reiver Sanmartin
SF · P
Change to
Who's more valuable, rest of season

Reiver Sanmartin.

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

Head-to-head
K
ERA
WHIP
W
SV

Reiver Sanmartin wins 2 categories (K, W); Josh Hader wins 1 (SV); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Josh Hader
95.0
Reiver Sanmartin
92.2
Swinging-Strike %lg 11.0% · higher = better
Josh Hader
19.1%
Reiver Sanmartin
10.2%
Strikeout %lg 22.0% · higher = better
Josh Hader
35.8%
Reiver Sanmartin
18.2%
Chase %lg 28.5% · higher = better
Josh Hader
41.5%
Reiver Sanmartin
32.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Josh Hader
32.1%
Reiver Sanmartin
36.4%
Barrel % Allowedlg 8.0% · lower = better
Josh Hader
7.1%
Reiver Sanmartin
10.6%
xwOBA Allowedlg .315 · lower = better
Josh Hader
.206
Reiver Sanmartin
.305
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
Josh Hader
26.30
lg xERA 4.10
now 0.00
3.70
Reiver Sanmartin
26.30
lg xERA 4.10
now 4.50
3.70
WHIPlower is better
Josh Hader
.9001.34
now 1.00
1.24
Reiver Sanmartin
.9001.34
now 1.00
1.24

Volume · rest of season
Strikeoutshigher is better
Josh Hader
4011.60
now 1
4
Reiver Sanmartin
4011.60
now 2
6
Winshigher is better
Josh Hader
.0005.60
now 0
00
Reiver Sanmartin
.0005.60
now 1
24
Saveshigher is better
Josh Hader
.0009.80
now 1
27
Reiver Sanmartin
.0009.80
now 0
0
If you already own them — trade angle
Sell HighJosh Hader — sell high. His value is peaking; good time to trade him.conf 0.90
Hold · wait & seeReiver Sanmartin — hold.conf 0.50
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