San Francisco Giants vs Athletics Prediction 5/15/2026 Today’s MLB Picks
Chris Ruffolo
May 9, 2026; Baltimore, Maryland, USA; Athletics catcher Shea Langeliers (23) takes a lead off first base during the first inning against the Baltimore Orioles at Oriole Park at Camden Yards. Mandatory Credit: James A. Pittman-Imagn Images
MATCHUP
San Francisco Giants
Oakland Athletics
Team Records
18-26
22-21
Spread
+1.5 -175
-1.5 144
Moneyline
+113
-136
Total
Over 10 (-105)
Under 10 (-114)
Where
Sutter Health Park, Sacramento, California
When
Friday, May 15, 2026
Time
09:40 PM EDT
TV
MLB.TV
The San Francisco Giants and the Athletics meet Friday in MLB action from Sutter Health Park. We will look at this from a betting perspective and determine the best bets for this game. Here’s a San Francisco Giants vs. Athletics prediction.
Starting Pitching Matchup
The San Francisco Giants will send out Tyler Mahle for the start here and Mahle is 1-4 with a 5.18 ERA and 42 strikeouts this season. In his career, Mahle is 0-2 with a 1.50 ERA and 14 strikeouts against the Athletics. Aaron Civale will start for the Athletics here and is 4-1 with a 2.59 ERA and 33 strikeouts this season. In his last five starts against the Giants, Civale is 3-1 with a 2.05 ERA and 23 strikeouts.
San Francisco Giants Recap
The San Francisco Giants come into this game looking to shake off a 5-2 loss at the hands of the Los Angeles Dodgers last time out to sit at 18-26 this season. After this series, the Giants will head on the road for a series against the Arizona Diamondbacks.
Giants Drop Back-To-Back Games
Luis Arraez has 49 hits with 7 doubles, 2 triples and 14 RBIs while Willy Adames has 38 hits with 12 doubles, 3 home runs and 11 RBIs along with 55 strikeouts. Matt Chapman has 36 hits with 8 doubles, a triple, a home run and 14 RBIs and Jung Hoo Lee has 44 hits with 10 doubles and 16 RBIs. Heliot Ramos has 43 hits with 12 doubles, 4 home runs and 20 RBIs this season. Rafael Devers also has 41 hits with 9 doubles, 5 home runs and 18 RBIs but also has 55 strikeouts this season.
Athletics Recap
The Athletics come into this game looking to bounce back from a 5-4 loss at the hands of the Cardinals last time out to sit at 22-21 this season. After this series, the Athletics will head on the road for a series against the Los Angeles Angels.
Athletics Drop 3 Of Last 4
Shea Langeliers has 55 hits with 10 doubles, 12 home runs and 27 RBIs while Tyler Soderstrom’s added 30 hits with 12 doubles, a triple, 5 home runs and 20 RBIs. Brent Rooker has 19 hits with 5 home runs and 18 RBIs while Max Muncy has also chipped in 22 hits with 5 doubles, 2 triples, 2 home runs and 7 RBIs this season. Jacob Wilson also has 47 hits with 8 doubles, 3 home runs and 19 RBIs and Nick Kurtz has 42 hits with 8 doubles, 7 home runs and 26 RBIs this season.
San Francisco Giants @ Athletics Betting Trends: May 15, 2026
Probable Starting Pitcher: Aaron Civale Record this season: 4-1 ERA: 2.59
Home Record: 1-1
Last 5 against Giants: 3-1
Why the Athletics will win
The Giants have lost each of their last nine road games against American League opponents that held a winning record.
The Athletics have won each of their last seven Friday games against National League opponents that held a losing record.
The Giants have failed to cover the run line each of their last 10 night games against American League opponents that held a winning record.
The Athletics have covered the run line each of their last four games against teams that held a losing record.
The Athletics have led after 5 innings in each of their last six Friday night games against National League opponents that held a losing record.
The Giants have trailed after 3 innings in four of their last five games.
Probable Starting Pitcher: Tyler Mahle Record this season: 1-4 ERA: 5.18
Road Record: 0-2
Last 5 against Athletics: 0-2
Why the San Francisco Giants will win
The underdogs have won four of the Athletics’ last five games at Sutter Health Park.
The Athletics have lost four of their last five games as favorites against NL West opponents.
The Giants have covered the run line in each of their last eight games as underdogs against AL West opponents.
The Athletics have failed to cover the run line in 11 of their last 12 home games against NL West opponents that held a losing record.
The Giants have won the first inning in three of their last four games against the Athletics.
The Athletics have trailed after 5 innings in nine of their last 10 games as home favorites against NL West opponents.
The Giants have led after 3 innings in four of their last five games as underdogs against AL West opponents.
Total Runs Facts
Nine of the Athletics’ last 10 games as favorites against National League opponents have gone UNDER the total runs line.
Seven of the Giants’ last eight road games after playing the previous day have gone UNDER the total runs line.
The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the Giants’ last five night games against American League opponents.
The ‘Inning 1 OVER 0.5 runs’ market has hit in each of the Athletics’ last five night games against NL West opponents.
Athletics Player Prop Facts
Nick Kurtz has hit a home run in four of the Athletics’ last five home games against NL opponents.
Zack Gelof has recorded at least one hit in each of his last nine appearances after playing the previous day.
Shea Langeliers ranks 2nd in the league in Hits (55) this season.
San Francisco Giants Player Prop Facts
Willy Adames has hit a home run in each of his last two appearances with his team as an underdog against the Athletics.
Tyler Mahle has recorded a win in four of his last five appearances in night games against AL teams that held a winning record.
Tyler Mahle has recorded five or more strikeouts in each of his last six appearances against opponents that held a winning record.
Rafael Devers has recorded at least one hit in each of his last 11 appearances with his team as a road underdog against AL opponents.
Matchup/League Facts
The Athletics rank T5th in the league for hits this season (369).
The Athletics rank 5th in the league for batting average this season (.252).
The Giants rank 30th in the league for runs scored this season (147).
The Giants rank 30th in the league for RBIs this season (142).
San Francisco Giants vs. Athletics Prediction
I’m on the Athletics here. I still can’t trust this Giants team offensively, and for me, Mahle is still one of the weaker starting options in the entire rotation. I think that the A’s take care of business here and get to Mahle in this hitter friendly ballpark in Sacramento. Give me the A’s.
