Skip navigation
Favorites
Sign up to follow your favorites on all your devices.
Sign up

Diamondbacks at Giants Prediction: Odds, expert picks, starting pitchers, betting trends and stats for May 12

Its Monday, May 12 and the Diamondbacks (21-20) are in San Francisco to take on the Giants (24-17). Merrill Kelly is slated to take the mound for Arizona against Justin Verlander for San Francisco.

The Diamondbacks split the series 2-2 with the Dodgers but gave up 25 runs in five games, including eight and 14 runs in two of the games. Last night, they lost 8-1 with Zac Gallen on the mound. The Giants were swept by the Minnesota Twins yesterday. They lost yesterday’s game 7-6, and their three-game skid has dropped them to third in the NL West.

Lets dive into the matchup 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.

Follow Rotoworld Player News for the latest fantasy and betting player news and analysis all season long.

Game details & how to watch Diamondbacks at Giants

  • Date: Monday, May 12, 2025
  • Time: 9:45PM EST
  • Site: Oracle Park
  • City: San Francisco, CA
  • Network/Streaming: NBCS BA, DBacks.TV

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 Diamondbacks at the Giants

The latest odds as of Monday:

  • Moneyline: Diamondbacks (-105), Giants (-114)
  • Spread: Giants 1.5
  • Total: 7.0 runs

Probable starting pitchers for Diamondbacks at Giants

  • Pitching matchup for May 12, 2025: Merrill Kelly vs. Justin Verlander
    • Diamondbacks: Merrill Kelly, (3-2, 4.09 ERA)
      Last outing (New York Mets, 5/7): 6.1 Innings Pitched, 3 Earned Runs Allowed, 6 Hits Allowed, 0 Walks, and 6 Strikeouts
    • Giants: Justin Verlander, (0-2, 4.50 ERA)
      Last outing (Chicago Cubs, 5/6): 5.0 Innings Pitched, 3 Earned Runs Allowed, 5 Hits Allowed, 2 Walks, and 3 Strikeouts

Rotoworld still has you covered with all the latest MLB player news for all 30 teams. Check out the feed page right here on NBC Sports for headlines, injuries and transactions where you can filter by league, team, positions and news type!

Top betting trends & insights to know ahead of Diamondbacks at Giants

  • The Giants have won 3 straight matchups against NL West teams
  • The Under is 4-1 in the Diamondbacks’ last 5 matchups against National League teams
  • The Giants have covered the Run Line in 3 straight home 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 Diamondbacks and the Giants

Rotoworld Best Bet

Please bet responsibly. If you or someone you know has a gambling problem, call the National Gambling Helpline at 1-800-522-4700.

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 Monday’s game between the Diamondbacks and the Giants:

  • Moneyline: NBC Sports Bet is recommending a play on the San Francisco Giants on the Moneyline.
  • Spread: NBC Sports Bet is leaning towards a play ATS on the Arizona Diamondbacks at +1.5.
  • Total: NBC Sports Bet is recommending a play on the over on the Game Total of 7.0.

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)