Its Friday, May 30 and the Nationals (26-30) are in Phoenix to take on the Diamondbacks (27-29).
Jake Irvin is slated to take the mound for Washington against Merrill Kelly for Arizona.
The Nationals closed out their series with the Mariners with a 9-3 win in ten innings last night in Seattle. Josh Bell went yard as part of Washington’s seven-run tenth inning to help secure the series win.
Arizona was off yesterday following back-to-back losses to the Pirates including a 10-1 smack on Wednesday. Zac Gallen opened the floodgates allowing five earned runs over five innings for the home team.
Lets dive into the opener in this series and find a sweat or two.
We’ve got all the info and analysis you need to know ahead of the game, including the latest info on the how to catch tipoff, odds, recent team performance, player stats, and of course, our predictions, picks & best bets for the game from our modeling tools and staff of experts.
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Game details & how to watch Nationals at Diamondbacks
- Date: Friday, May 30, 2025
- Time: 9:40PM EST
- Site: Chase Field
- City: Phoenix, AZ
- Network/Streaming: MASN2, ARID
Never miss a second of the action and stay up-to-date with all the latest team stats and player news. Check out our day-by-day MLB schedule page, along with detailed matchup pages that update live in-game with every out.
Odds for the Nationals at the Diamondbacks
The latest odds as of Friday:
- Moneyline: Nationals (+181), Diamondbacks (-219)
- Spread: Diamondbacks -1.5
- Total: 8.0 runs
Probable starting pitchers for Nationals at Diamondbacks
- Pitching matchup for May 30, 2025: Jake Irvin vs. Merrill Kelly
- Nationals: Jake Irvin (4-1, 3.42 ERA)
Last outing: 5/24 vs. San Francisco – 8IP, 0ER, 3H, 2BB, 7Ks - Diamondbacks: Merrill Kelly (5-2, 3.52 ERA)
Last outing: 5/24 at St. Louis – 6IP, 4ER, 6H, 1BB, 6Ks
- Nationals: Jake Irvin (4-1, 3.42 ERA)
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Top betting trends & insights to know ahead of Nationals at Diamondbacks
- The Diamondbacks have won their last 3 against the Nationals with Merrill Kelly as the starting pitcher
- With Merrill Kelly starting the Over was 5-2 (71%) in the Diamondbacks’ home games last season
- The Diamondbacks have failed to cover the Run Line in 7 straight games when they’ve held a rest advantage
- CJ Abrams is 2-24 (.083) in his last 6 games
- Corbin Carroll is 5-39 (.128) in his last 9 games
If you’re looking for more key trends and stats around the spread, moneyline and total for every single game on the schedule today, check out our MLB Top Trends tool on NBC Sports!
Expert picks & predictions for tonight’s game between the Nationals and the Diamondbacks
Rotoworld Best Bet
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Our model calculates projections around each moneyline, spread and over/under bet for every game on the MLB calendar based on data points like past performance, player matchups, ballpark information and weather forecasts.
Once the model is finished running, we put its projection next to the latest betting lines for the game to arrive at a relative confidence level for each wager.
Here are the best bets our model is projecting for Friday’s game between the Nationals and the Diamondbacks:
- Moneyline: NBC Sports Bet is recommending a play on the Arizona Diamondbacks on the Moneyline.
- Spread: NBC Sports Bet is leaning towards a play ATS on the Washington Nationals at +1.5.
- Total: NBC Sports Bet is leaning towards a play on the over on the Game Total of 8.0.
Want even more MLB best bets and predictions from our expert staff & tools? Check out the Expert MLB Predictions page from NBC
Follow our experts on socials to keep up with all the latest content from the staff:
- Jay Croucher (@croucherJD)
- Drew Dinsick (@whale_capper)
- Vaughn Dalzell (@VmoneySports)
- Brad Thomas (@MrBradThomas)
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