San Francisco Giants vs Arizona Diamondbacks Prediction & Picks - MLB

USA - MLB

San Francisco Giants
5/26/26 21:45
Arizona Diamondbacks

Prediction:

 

Arizona (-1) to win

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 by Simon Day | in MLB Picks

The inform Arizona Diamondbacks will be bidding to continue their march up the NL West table, when they once again take on divisional rivals the San Francisco Giants at Oracle Park on Tuesday night.

The Diamondbacks registered a comfortable 6-2 victory in Monday's first game of the series, largely thanks to an excellent pitching display from Merrill Kelly, plus a four hit performance from Ketel Marte.

That victory was Arizona's eighth in their last nine games, and following a poor start to the season, they are now firmly in the mix for a postseason place. 

Meanwhile, the Giants dropped to 22-32 for the season, and have now lost five of their last seven. There's still plenty of time left in the regular season, but unless San Fran can find some consistent form on offense, it is hard to see them making the playoffs. 

San Francisco Giants vs Arizona Diamondbacks Form

Table

Teams Pts P W L
8 Arizona Diamondbacks
0.529 119 63 56
26 San Francisco Giants
0.415 118 49 69

San Francisco Giants and Arizona Diamondbacks Latest Matches

San Francisco Giants
San Francisco Giants Latest matches
L L L W W L
Victories

2/6 (33%)

Defeats

4/6 (67%)

May 25, 2026 - MLB

San Francisco Giants
2 :  6
Arizona Diamondbacks

May 24, 2026 - MLB

San Francisco Giants
8 :  5
Chicago White Sox

May 23, 2026 - MLB

San Francisco Giants
10 :  3
Chicago White Sox

May 22, 2026 - MLB

San Francisco Giants
4 :  9
Chicago White Sox

May 20, 2026 - MLB

Arizona Diamondbacks
6 :  3
San Francisco Giants

May 19, 2026 - MLB

Arizona Diamondbacks
5 :  3
San Francisco Giants
L W L W W L
Victories

3/6 (50%)

Defeats

3/6 (50%)

May 25, 2026 - MLB

San Francisco Giants
2 :  6
Arizona Diamondbacks

May 24, 2026 - MLB

San Francisco Giants
8 :  5
Chicago White Sox

May 23, 2026 - MLB

San Francisco Giants
10 :  3
Chicago White Sox

May 22, 2026 - MLB

San Francisco Giants
4 :  9
Chicago White Sox

May 10, 2026 - MLB

San Francisco Giants
7 :  6
Pittsburgh Pirates

May 9, 2026 - MLB

San Francisco Giants
3 :  13
Pittsburgh Pirates
L W W L L L
Victories

2/6 (33%)

Defeats

4/6 (67%)

May 20, 2026 - MLB

Arizona Diamondbacks
6 :  3
San Francisco Giants

May 19, 2026 - MLB

Arizona Diamondbacks
5 :  3
San Francisco Giants

May 18, 2026 - MLB

Arizona Diamondbacks
12 :  2
San Francisco Giants

May 17, 2026 - MLB

Athletics
1 :  10
San Francisco Giants

May 16, 2026 - MLB

Athletics
4 :  6
San Francisco Giants

May 15, 2026 - MLB

Athletics
5 :  2
San Francisco Giants
Arizona Diamondbacks
Arizona Diamondbacks Latest matches
W W L W W W
Victories

5/6 (83%)

Defeats

1/6 (17%)

May 25, 2026 - MLB

San Francisco Giants
2 :  6
Arizona Diamondbacks

May 24, 2026 - MLB

Arizona Diamondbacks
9 :  1
Colorado Rockies

May 23, 2026 - MLB

Arizona Diamondbacks
5 :  4
Colorado Rockies

May 22, 2026 - MLB

Arizona Diamondbacks
2 :  3
Colorado Rockies

May 21, 2026 - MLB

Arizona Diamondbacks
2 :  1
Colorado Rockies

May 20, 2026 - MLB

Arizona Diamondbacks
6 :  3
San Francisco Giants
W W W L W W
Victories

5/6 (83%)

Defeats

1/6 (17%)

May 24, 2026 - MLB

Arizona Diamondbacks
9 :  1
Colorado Rockies

May 23, 2026 - MLB

Arizona Diamondbacks
5 :  4
Colorado Rockies

May 22, 2026 - MLB

Arizona Diamondbacks
2 :  3
Colorado Rockies

May 21, 2026 - MLB

Arizona Diamondbacks
2 :  1
Colorado Rockies

May 20, 2026 - MLB

Arizona Diamondbacks
6 :  3
San Francisco Giants

May 19, 2026 - MLB

Arizona Diamondbacks
5 :  3
San Francisco Giants
L L W L W W
Victories

3/6 (50%)

Defeats

3/6 (50%)

May 25, 2026 - MLB

San Francisco Giants
2 :  6
Arizona Diamondbacks

May 17, 2026 - MLB

Colorado Rockies
6 :  8
Arizona Diamondbacks

May 16, 2026 - MLB

Colorado Rockies
4 :  2
Arizona Diamondbacks

May 15, 2026 - MLB

Colorado Rockies
1 :  9
Arizona Diamondbacks

May 13, 2026 - MLB

Texas Rangers
6 :  5
Arizona Diamondbacks

May 12, 2026 - MLB

Texas Rangers
7 :  4
Arizona Diamondbacks

San Francisco Giants against Arizona Diamondbacks : Head to Head (H2H)

San Francisco Giants

17 %

Arizona Diamondbacks

83 %

May 25, 2026 - MLB

San Francisco Giants
2 :  6
Arizona Diamondbacks

May 20, 2026 - MLB

Arizona Diamondbacks
6 :  3
San Francisco Giants

May 19, 2026 - MLB

Arizona Diamondbacks
5 :  3
San Francisco Giants

May 18, 2026 - MLB

Arizona Diamondbacks
12 :  2
San Francisco Giants

Mar 14, 2026 - MLB Spring Training

San Francisco Giants
7 :  8
Arizona Diamondbacks

Mar 7, 2026 - MLB Spring Training

Arizona Diamondbacks
4 :  7
San Francisco Giants
San Francisco Giants vs Arizona Diamondbacks Picks

San Francisco Giants - Arizona Diamondbacks Key Points

  1. Arizona have won theie last 5 games versus the Giants
  2. San Francisco have lost 5 of their last 7 games
  3. Arizona have won 8 of their last 9 games
  4. Arizona have conceded over 3 runs just once in their last 8 games

Our San Francisco Giants vs Arizona Diamondbacks Prediction

The Diamondbacks are on fire at the moment, so we are tipping them to continue their dominance over the Giants by recording another comfortable victory. 

Aside from form, another key factor on Tuesday night is likely to be the gulf in class between the two starting pitchers. Whilst the Giants will have the struggling Tyler Mahle (1-6, 6.10 ERA) taking the mound, Arizona will have the ultra-talented Eduardo 'E-Rod' Rodríguez (5-1 2.24 ERA) at starter. 

Our prediction for San Francisco Giants vs Arizona Diamondbacks is: Arizona (-1) to win.

Prediction:

 

Arizona (-1) to win

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All tips are fully researched and given in good faith, but profits cannot be guaranteed.