The Arizona Diamondbacks are 21-13-0 ATS as Underdogs in 2026

MLBNational • NL WestUpdated 2 days ago

The Arizona Diamondbacks are 21-13-0 as underdog in 2026, a 61.76% rate with +0.81% ROI on flat $100 bets at closing odds. Closing lines from DraftKings, FanDuel, and BetMGM, graded against official MLB box scores.

See methodology.

Underdog ATS

21-13-0

Win %

61.76%

ROI

+0.81%

Games

Underdog ML

15-19-0

Win %

44.12%

ROI

-6.77%

Games

Diamondbacks Monthly Performance

+13.7%30-19 · +6.7u

+60.1%

+11.8%

+3.9%

Mar
4-1

Apr
16-9

May
10-9

Home / Away as Underdog ATS

Home

9-6-0

60%-2.38%

Away

12-7-0

63.16%+3.34%

Recent Games (2026)

Date	Opponent	Score	ATS	ML	O/U
2026-05-21	vs Rockies	W 2-1	✗	W	U
2026-05-20	vs Giants	W 6-3	✓	W	O
2026-05-19	vs Giants	W 5-3	✓	W	U
2026-05-18	vs Giants	W 12-2	✓	W	O
2026-05-17	@ Rockies	W 6-8	✓	W	O
2026-05-16	@ Rockies	L 4-2	✗	L	U
2026-05-15	@ Rockies	W 1-9	✓	W	U
2026-05-13	@ Rangers	L 6-5	✗	L	O
2026-05-12	@ Rangers	L 7-4	✗	L	O
2026-05-11	@ Rangers	W 0-1	✗	W	U

Frequently Asked Questions

What is the Arizona Diamondbacks as underdog in 2026?

The Arizona Diamondbacks are 21-13-0 (61.76%) as underdog in 2026 on DraftKings, with +0.81% ROI.

What is the Arizona Diamondbacks home vs away as underdog?

Home: 9-6-0 (-2.38% ROI). Away: 12-7-0 (+3.34% ROI).

More Diamondbacks Stats (2026)

Overview ATS Record Moneyline Record Over/Under Record Home Record Away Record As Favorite

Compare As Underdog

Record as Underdog for the Arizona Diamondbacks in the 2026 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 Arizona Diamondbacks betting trends across 80+ filters and 5+ years of data.