Giants vs Diamondbacks Prediction 6/29/26 MLB Picks Today

In this article, we will formulate a Giants vs Diamondbacks Prediction for this MLB matchup on Monday, June 29^th in the opening game of this series. Let’s take a look at the prediction for this MLB matchup.

Arizona Diamondbacks Preview

The Arizona Diamondbacks have a 41‑42 record this season and are sitting in the 3rd place of the NL West. They have a 24‑17 home record and are coming off a 1‑5 road defeat against the Rays. They will face the Brewers and the Padres next.

The Diamondbacks have a .238 batting average this season, .307 OBP and .385 Slugging percentage. Arizona’s pitching staff has a 4.33 ERA and 1.30 WHIP. Corbin Carroll is the team’s best hitter with a .278 batting average. Ketel Marte leads the team in RBI with 49, adding a team‑high 15 home runs.

Eduardo Rodriguez (L) is the projected starting pitcher for the Diamondbacks, and he has a 6‑2 record, 2.27 ERA and 1.21 WHIP.

San Francisco Giants Preview

The San Francisco Giants have a 35‑48 record this season and are sitting in the 4th place of the NL West. They have a 17‑26 road record and are coming off a 3‑2 home win against the Braves. They will face the Rockies and the Blue Jays next.

The Giants have a .256 batting average this season, .308 OBP and .417 Slugging percentage. San Francisco’s pitching staff has a 4.31 ERA and 1.36 WHIP. Luis Arraez is the team’s best hitter with a .324 batting average. Rafael Devers leads the team in RBI with 43, while Casey Schmitt adds a team‑high 16 home runs.

Tyler Mahle (R) is the projected starting pitcher for the Giants, and he has a 1‑7 record, 5.49 ERA and 1.46 WHIP.

San Francisco Giants @ Arizona Diamondbacks Betting Trends: June 29, 2026

• Probable Starting Pitcher: Eduardo Rodriguez      Record this season: 6-2      ERA: 2.27
• Home Record: 4-1
• Last 5 against Giants: 2-1

Why the Arizona Diamondbacks will win

• The Giants have lost each of their last seven night games against NL West opponents.
• The Diamondbacks have won each of their last six games against the Giants.
• The Giants have failed to cover the run line in each of their last seven night games against NL West opponents.
• The Diamondbacks have covered the run line in eight of their last nine night games against National League opponents following a road loss.
• The Giants have lost the first inning in four of their last five night games against National League opponents that held a losing record.
• The Giants have trailed after 3 innings in five of their last six games as road underdogs against NL West opponents.
• The Giants have trailed after 5 innings in six of their last seven games at Chase Field against opponents that held a losing record.

• Probable Starting Pitcher: Tyler Mahle      Record this season: 1-7      ERA: 5.49
• Road Record: 0-4
• Last 5 against Diamondbacks: 0-2

Why the San Francisco Giants will win

• The Giants have won each of their last four games as underdogs following a home win.
• The Diamondbacks have lost six of their last seven games as favorites against the Giants following a road loss.
• The Giants have covered the run line in each of their last eight games as underdogs following a win.
• The Diamondbacks have failed to cover the run line in each of their last eight games as favorites against the Giants following a road loss.
• The Diamondbacks have trailed after 3 innings in eight of their last nine night games against opponents that held a losing record.
• The Diamondbacks have trailed after 5 innings in seven of their last eight games against National League opponents that held a losing record.

Total Runs Facts

• Seven of the Diamondbacks’ last eight games against National League opponents have gone UNDER the total runs line.
• Seven of the Giants’ last eight night games after playing the previous day have gone UNDER the total runs line.
• There has been at least one run scored in the first inning in each of Eduardo Rodriguez’s six previous appearances as a starter against the Giants.
• There has been at least one run scored in the first inning in each of the Giants’ last six night games at Chase Field.

Arizona Diamondbacks Player Prop Facts

• Ketel Marte has hit a home run in three of the Diamondbacks’ last four games.
• Eduardo Rodriguez has recorded six or more strikeouts in each of his last five Monday appearances with his team as a favorite.
• Ketel Marte has recorded at least one hit in each of his last 11 appearances against NL West opponents that held a losing record.
• Eduardo Rodriguez has recorded a win in three of his last four home appearances against opponents that held a losing record.
• Corbin Carroll is one of only two players to record 10+ Home Runs and 4+ Triples this season.

San Francisco Giants Player Prop Facts

• Victor Bericoto has hit a home run in each of the Giants’ last two games against opponents that held a losing record.
• Casey Schmitt has recorded two or more hits in each of the Giants’ last five road games.
• Tyler Mahle has recorded five or more strikeouts in each of his nine previous Monday appearances.
• Luis Arraez ranks 2nd in the league in Hits (100) this season.

Matchup/League Facts

• The Diamondbacks rank 1st in the league for triples this season (20).
• The Diamondbacks rank 30th in the league for strikeouts this season (568).
• The Giants rank 1st in the league for doubles this season (160).
• The Giants rank 30th in the league for steals this season (26).

Giants vs Diamondbacks Prediction

The Diamondbacks are 9-1 in their last 10 meetings against the Giants and are 5-1 in their last 6 meetings in Arizona.

In this Giants vs Diamondbacks Prediction, the Diamondbacks are coming as -135 home favorites. I like the Diamondbacks in this one, as they have the pitching edge with Eduardo Rodriguez going up against Tyler Mahle. Rodriguez has given up just two runs in his last three starts and has been excellent at home with a 1.84 ERA, while Mahle has given up 3+ runs in four of his last five starts and has been terrible on the road with a 0-4 record and 8.88 ERA. Take the Diamondbacks to win this one at home.