The Arizona Diamondbacks show mixed results as small underdog (+1 to +3). Since 2014, they're 38-36-0 against the spread—a 0.0% win rate with an ROI of -2.0%. While not a strong standalone angle, this data provides valuable context when combined with other factors.

⚖ Neutral
Record38-36-0
Win Rate0.0%
Sample Size74 games
ROI-2.0%
Units Won-1.4u
Time Period2014-2024

Year-by-Year Performance

SeasonRecordWin %ROI
20147-3-00.0%+33.6%
20154-3-00.0%+9.1%
20162-4-00.0%-36.4%
20174-4-00.0%-4.5%
20186-1-00.0%+63.6%
20192-5-00.0%-45.5%
20201-3-00.0%-52.3%
20214-7-00.0%-30.6%
20222-2-00.0%-4.5%
20233-2-00.0%+14.6%
20243-2-00.0%+14.6%

Why This Trend Exists

The Diamondbacks' mediocre performance as small underdogs reflects their tendency to play tight, conservative baseball when narrowly expected to lose. Arizona has historically struggled with the mental aspect of being slight underdogs, often pressing at the plate and making defensive miscues that compound their disadvantage. This franchise has shown a pattern of either rising to big underdog situations where expectations are low, or performing well as favorites when confidence runs high, but faltering in that uncomfortable middle ground. Arizona's roster construction over recent years has favored boom-or-bust players who thrive on momentum rather than steady, grinding performances. When they're small underdogs, these players often try to do too much individually instead of executing fundamental baseball, leading to poor situational hitting and baserunning mistakes. The desert environment at Chase Field can also work against them in these spots, as visiting teams often arrive motivated to steal a game they're expected to win. Smart bettors should be wary of backing Arizona when they're catching 1-3 runs, particularly in day games following losses where the psychological pressure intensifies. This trend matters most during divisional play when familiarity breeds the kind of tight games where mental toughness determines outcomes.

Frequently Asked Questions

What is the Arizona Diamondbacks's ATS record as small underdog (+1 to +3)?

The Arizona Diamondbacks have a 38-36-0 ATS record as small underdogs (+1 to +3) from 2014-2024. This translates to a 51.4% cover rate over 74 total games in this situation.

Is betting on the Arizona Diamondbacks as small underdog (+1 to +3) profitable?

Betting on the Diamondbacks as small underdogs has not been profitable, showing a -2.0% ROI from 2014-2024. Despite covering slightly more than half their games, the negative return indicates poor value in the betting lines.

How does this compare to the league average?

The Diamondbacks' 51.4% cover rate as small underdogs is slightly above the typical 50% expectation for ATS performance. However, the -2.0% ROI suggests they've been overvalued by oddsmakers in these close spread situations.

ANALYZE This Trend

This trend is near break-even. Combine with other factors and compare odds before placing any bets.

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Methodology

All trends in The Archives are calculated from official game results and closing point spreads from 2014 to 2024. ROI assumes a flat $100 bet at standard -110 juice. Win rate is calculated as wins divided by total decisions (pushes excluded). A minimum of 10 games is required for a trend to be published. Data is sourced from The Odds API and verified against official league records.