Arizona Diamondbacks vs San Francisco Giants Picks and Predictions June 30th 2025

Arizona Diamondbacks vs San Francisco Giants June 30th 2025

The San Francisco Giants head to Chase Field to take on the Arizona Diamondbacks on Monday, June 30, 2025. This night game begins at 9:40 PM and will be broadcast on NBCS. The weather in Phoenix is expected to be very hot with a light breeze under clear skies, but the retractable roof at Chase Field will keep conditions comfortable.

The Giants, managed by Bob Melvin, hold a season record of 45-39. They are 7 games back in the NL West. Logan Webb will take the mound for the Giants, bringing a 2.52 ERA and a 7-5 record. The Diamondbacks, led by Torey Lovullo, have a season record of 41-42 and are 11 games back in the division. Ryne Nelson will start for Arizona, with a 3.71 ERA and a 4-2 record.

Giants vs Diamondbacks Key Information

• Sport: Baseball
• Teams: San Francisco Giants vs. Arizona Diamondbacks
• Venue: Chase Field in Phoenix, AZ
• Date: Monday, June 30, 2025
• Betting Odds: Giants MoneyLine -156, Diamondbacks MoneyLine +132

The Giants Can Win If…

The San Francisco Giants recently played against the Chicago White Sox, ending with a 2-5 loss. Despite the result, starting pitcher Justin Verlander showed strong performance with only 1 earned run over 6 innings. Christian Koss also contributed with a solid 2-for-3 at the plate, including a double.

The Giants have a strong pitching staff, ranking 2nd in the league with a team ERA of 3.40. They have given up only 65 home runs, which also ranks 2nd. Logan Webb, the starting pitcher for the upcoming game, has an impressive ERA of 2.52, making him a key player for a potential win.

Offensively, Rafael Devers leads the team with 17 home runs and 63 RBIs. This power in the lineup can be a deciding factor in close games. The Giants also excel in drawing walks, ranking 3rd in the league with 305, which can help them get on base and create scoring opportunities.

The Diamondbacks Can Win If…

The Arizona Diamondbacks are set to play the San Francisco Giants, aiming to bounce back after a 4-6 loss to the Miami Marlins. In the recent game, Ketel Marte stood out with a home run and an RBI. Eduardo Rodriguez pitched well, allowing only one earned run over 5 1/3 innings.

Arizona’s batting stats show they have the potential to win. They rank 5th in batting average at .254 and 3rd in slugging percentage at .447. With players like Eugenio Suárez, who has 25 home runs, their lineup can be a threat.

The Diamondbacks’ starting pitcher, Ryne Nelson, has a solid ERA of 3.71 and a WHIP of 1.05. His performance can be key in controlling the Giants’ offense. With a mix of strong batting and pitching, Arizona has the tools to secure a win.

The Lean

The Giants are favored with a MoneyLine of -156 against the Diamondbacks at +132. The Giants’ strong pitching, with a 3.40 ERA ranking 2nd, gives them an edge over the Diamondbacks, who have a 4.78 ERA ranking 23rd. Our model projects the Giants to win with a score of 5-3, making them the recommended pick for the MoneyLine.

The over/under line is set at 8.0 runs. The Giants’ pitching strength and the Diamondbacks’ lower batting average against rank suggest a lower-scoring game. Our model predicts a total score of 8 runs, aligning with the line. However, considering the Giants’ pitching, the under 8.0 is the recommended pick.

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Frustrated Giants and Diamondbacks Look for a Reset in Series Opener

Two frustrated National League West rivals will look to turn the page on a difficult week as the San Francisco Giants visit the Arizona Diamondbacks to open a crucial four-game series on Monday night. Both clubs are coming off disappointing series losses to sub-.500 teams and are desperate to get back on track.

A Frustrating Week for Both Clubs

The Giants just finished a 3-6 homestand by getting swept by the Miami Marlins. The team’s offense has struggled to get the big hit, going just 4-for-22 with runners in scoring position against the lowly White Sox over the weekend. “A lot of ‘how frustrating’ questions, and that’s kind of where we are,” Giants manager Bob Melvin said. “We have to answer them.”

The Diamondbacks are dealing with their own frustrations. They have lost four straight games, and their bullpen has been a major issue, blowing late leads in their last two contests. “What I saw there today was unacceptable,” a furious manager Torey Lovullo said after Sunday’s loss. “We have to be better than that.”

A Duel of Aces on the Mound

Despite the team struggles, Monday’s game features a premier pitching matchup between two of the hottest arms in the league. The Giants will send their ace, Logan Webb (7-5, 2.52 ERA), to the mound. Webb has made six straight quality starts and has a sparkling 1.85 ERA in June.

The Diamondbacks will counter with their own hot hand in Ryne Nelson (4-2, 3.71 ERA). Nelson has allowed only two earned runs over his last three starts spanning 15 2/3 innings. This elite duel is the top story on the scores and odds board.

History on Their Side

Adding to the intrigue, both pitchers have historically dominated their opponent. Webb has a career 2.31 ERA against the D-backs, while Nelson has a 3.11 ERA in his career against the Giants. It’s a true strength-on-strength matchup. How these historical trends affect a game is a key topic in our expert betting guide.

For two MLB teams in the thick of the NL Wild Card race, this series is critical. To see which ace our experts think will lead their team to victory, check out our daily MLB picks.