Athletics vs. Arizona Diamondbacks MLB Picks and Predictions: July 22, 2026

Nate Hornung

Written by: Nate Hornung

Published: Wed Jul 22, 2026, 11:00 am ET

Read Time: 5 minutes

Merrill Kelly gets the start for the Diamondbacks at home tonight against the Athletics - Athletics Diamondbacks Picks

mlb

Athletics logo
Live
Arizona Diamondbacks logo

Athletics
Odds

Spread

Total

Moneyline

+1.5

-165

9

+100u

+127

Arizona Diamondbacks
Odds

Spread

Total

Moneyline

-1.5

160

8

+101o

-125

See Picks & Statistics For The Game

Wednesday blesses us with some daytime baseball as we have several afternoon games on today's slate. We will be heading to the Desert for a hot one as the Arizona Diamondbacks host the Unaffiliated Athletics of Sacramento. Sure, the A's are moving to Las Vegas here shortly, but for now, the team is based out of Northern California. Can they head to the heat and put some pressure on Merrill Kelly and the Diamondbacks? Find out with our favorite MLB picks below.

  • MLB YTD
  • 58-43-1 (57.4%)
  • +14.19u
  • Average Odds: +100

Check out the best odds on the market at our top online sportsbooks.

Athletics vs. Arizona Diamondbacks MLB Betting Insights

Shea Langeliers and the Athletics take on the Diamondbacks in the Desert this afternoon - Athletics Diamondbacks Picks

Shea Langeliers and the Athletics take on the Diamondbacks in the Desert this afternoon

This is the final of three games between the two teams. On Monday, the Athletics took down their hosts, winning 5-2. However in yesterday's matchup, Arizona got their revenge, winning 6-5 in 10 innings. Now the two have a matinee matchup to end this series. We must decide a winner, and this is the last time these two teams will see each other.

The Athletics have slipped to fourth place in the AL West, falling a full eight games out of first place. Arizona is in a slightly better position, currently sitting second in the NL West. However, the Los Angeles Dodgers are running away with that division, leading it by 11.5 games through the middle of July. Will the Snakes be able to get a game back tonight at home?

Matchup Information – Athletics vs. Diamondbacks – July 22

  • Venue & Location: Chase Field (Phoenix, AZ)
  • Date: Wednesday, July 22, 2026
  • First Pitch: 3:40 p.m. Eastern
  • Broadcast: MLB.tv/ ESPN Unlimited

Athletics vs. Diamondbacks Pitching Matchup

  • Athletics: LHP Gage Jump (3-5, 3.78 ERA, 1.32 WHIP)
  • Arizona Diamondbacks: RHP Merrill Kelly (7-8, 5.20 ERA, 1.49 WHIP)

Athletics vs. Diamondbacks Betting Odds

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Run Line

  • Athletics +1.5 (-190)
  • Diamondbacks -1.5 (+162)

Moneyline

  • Athletics +109
  • Diamondbacks -130

Total

  • Over 9 (-108)
  • Under 9 (-112)
Click for more MLB Picks

Athletics vs. Arizona Diamondbacks MLB Picks

Nolan Arenado is hitting .243 with 13 home runs and 19 doubles so far this season - Athletics Diamondbacks Picks

Nolan Arenado is hitting .243 with 13 home runs and 19 doubles so far this season

Athletics vs. Diamondbacks Prediction: Diamondbacks Win and Cover, Over 9

Best Bet: Diamondbacks ML (-130) Lucky Rebel Sportsbook

Back the Snakes with me tonight. Cue up the "vs. lefties" monologue, because it applies again tonight. The Diamondbacks are the best team in the MLB at hitting left handed pitchers, doing so for a team batting average of .270 so far this season. They are also 30-22 at home, where their batting average increases from .238 to 2.44 as well. They are simply more comfortable hitting at Chase Field, and against lefties, and both splits line up in their favor this afternoon.

Gage Jump has pitched significantly better on the road this season, but he is still in for a world of hurt. His 3.78 ERA is up to 6.57 through three starts in the month of July, posting a WHIP that increases from 1.32 to 1.98. Taking things one step further, in his last four outings, he has a 7.41 ERA with a 2.06 WHIP. That is not going to cut it against the Snakes who smash lefties.

Ultimately, we are paying some juice here, but I would be comfortable taking the run line as well. Merrill Kelly's ERA is down to 2.12 during the month of July, and the Snakes have won in two of his last three starts. I trust him to get the run support needed to win this game at home.

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Nate Hornung
Nate Hornung

Nate has been a recreational sports bettor for about 5 years. In that time, he has grown to love the pursuit of winners and sticking it to The Man. Nate loves data and uses his understanding of numbers to help him be a more profitable sports gambler, however he will be the first to tell you this game is about more than just stats.

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