Inside Edge
The Boston Red Sox are 13-10-0 ATS as Underdogs in 2021
MLBAmerican • AL East
The Boston Red Sox are 13-10-0 as underdog in 2021, a 56.52% rate with -3.84% ROI on flat $100 bets at closing odds. Closing lines from DraftKings, FanDuel, and BetMGM, graded against official MLB box scores.
Underdog ATS
13-10-0
Win %
56.52%
ROI
-3.84%
Games
23
Underdog ML
8-15-0
Win %
34.78%
ROI
-21.51%
Games
23
Red Sox Monthly Performance
+1.6%38-32 · +1.1u
-19.9%
-9.5%
+7.6%
+44%
Jul
4-7
4-7
Aug
13-13
13-13
Sep
14-10
14-10
Oct
7-2
7-2
Home / Away as Underdog ATS
Home
3-4-0
42.86%-31.27%
Away
10-6-0
62.5%+8.16%
Recent Games (2021)
| Date | Opponent | Score | ATS | ML | O/U |
|---|---|---|---|---|---|
| 2021-10-22 |  @ Astros | L 5-0 | ✗ | L | U |
| 2021-10-18 | vs Astros | W 12-3 | ✓ | W | O |
| 2021-10-15 | @ Astros | L 5-4 | ✓ | L | O |
| 2021-10-10 |  vs Rays | W 6-4 | ✓ | W | O |
| 2021-10-07 | @ Rays | L 5-0 | ✗ | L | U |
| 2021-10-05 |  vs Yankees | W 6-2 | ✓ | W | P |
| 2021-10-03 |  @ Nationals | W 5-7 | ✓ | W | O |
| 2021-10-02 | @ Nationals | W 3-5 | ✓ | W | U |
| 2021-10-01 | @ Nationals | W 2-4 | ✓ | W | U |
| 2021-09-30 |  @ Orioles | L 6-2 | ✗ | L | U |
Frequently Asked Questions
What is the Boston Red Sox as underdog in 2021?
The Boston Red Sox are 13-10-0 (56.52%) as underdog in 2021 on DraftKings, with -3.84% ROI.
What is the Boston Red Sox home vs away as underdog?
Home: 3-4-0 (-31.27% ROI). Away: 10-6-0 (+8.16% ROI).
More Red Sox Stats (2021)
Compare As Underdog
Record as Underdog for the Boston Red Sox in the 2021 season on LineTerminal. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results. LineTerminal offers advanced system-building tools to research Boston Red Sox betting trends across 80+ filters and 5+ years of data.