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Top Handicapper 
First pitch for Sunday’s matchup between the Athletics and Mariners is set for 3:10 PM ET from T-Mobile Park in Seattle. The Athletics are on a two-game losing streak and are 69-92 this season, putting them 4th in the AL West. Seattle is 2nd in the AL West with a record of 84-77 and they are the heavy favorites on the money line today at -172.
NSPCA will be televising Sunday’s matchup, and Mitch Spence is starting for the Athletics, while the Mariners are starting Logan Gilbert.
Oakland vs. Seattle Key Information
- Teams: Athletics at Mariners
- Where: T-Mobile Park Seattle
- Date: Sunday, September 29th
- Betting Odds SEA -172 | OAK +146 O/U 7
The Athletics Can Win If…
Mitch Spence gets the start for the Athletics today as he faces the Mariners on the road. This year, he has made 23 starts and four of them have been quality starts. Spence’s ERA for the season is 4.35, along with a record of 8-9. Looking at his home/road splits, he has an ERA of 6.45 on the road compared to 3.9 at home. In his last outing, Spence finished with a no-decision, giving up three earned runs in 4 2/3 innings of work. Before that, he had gone two straight outings without giving up a homer.
The Athletics offense has been one of the league’s best home run-hitting teams this season, but they have struggled to score runs, averaging just 4 runs per game. This is 26th in the league. As a team, they are batting just .233, which is 18th in the league. Oakland has been striking out a lot this season and have an on-base percentage of just .302.
Shea Langeliers and Brent Rooker are the Athletics’ top home run hitters this season, with 29 and 39 home runs, respectively. Rooker is also batting .295 for the season and has gone 5/19 with a homer in his last five games. Rooker’s 112 RBIs are 4th in the league.
- The Athletics are 4-6 in their last ten games.
- Over their last five games, the Athletics are 3-2 vs. the run line.
- Oakland has an over/under record of 5-5 in their last ten games.
- The Athletics have an average of 3.0 runs per game over their last five games.
- Across their last ten road games, the Athletics are 4-6
- Looking back across the Athletics last five games as the favorite, they are 2-3
- Oakland has gone 1-2 in their last three games as the underdog
- In their ten most recent road games, the Athletics have averaged 3.6 runs per game on offense
The Mariners Can Win If…
Seattle is sending Logan Gilbert to the mound today vs. the Athletics, and he comes into the game with a record of 8-12 and an ERA of 3.33. This year, he has made 32 starts, and opponents are batting .193 off Gilbert this season. In his 32 appearances, he has turned in 22 quality starts and is averaging 9.44 strikeouts per nine innings. Gilbert’s last outing came vs. the Astros, where he took the loss, giving up four earned runs in six innings of work. Before that, he had won two straight starts.
Seattle’s offense has been one of the worst in the league when it comes to striking out, but they have been able to draw walks at a good rate and are averaging 4.2 runs per game. The Mariners have been a better offensive team on the road this season, averaging 4.6 runs per contest. Overall, they are 12th in home runs and are batting just .224 as a team.
Julio Rodríguez has been swinging a hot bat of late, hitting .327 over his last 10 games with four homers. For the season, he is batting .273 and is 2nd on the team with 67 RBIs. Cal Raleigh has a team-high 33 homers but is batting just .218 for the season. He is also on a seven-game hitting streak.
- The Mariners are 7-3 in their last ten games.
- Over their last five games, the Mariners are 4-1 vs. the run line.
- Seattle has an over/under record of 5-4-1 in their last ten games.
- The Mariners have an average of 5.2 runs per game over their last five games.
- Across their last ten home games, the Mariners are 7-3
- Looking back across the Mariners last five games as the favorite, they are 4-1
- Seattle has gone 2-1 in their last three games as the underdog
- In their ten most recent road games, the Mariners have averaged 6.0 runs per game on offense
A’s Look to Go Out on High Note in Finale vs. Mariners
For the last time on Sunday afternoon, the Oakland Athletics will wear their gray road jerseys emblazoned with “Oakland” stitched across the front in cursive. After 57 seasons of calling the Bay Area home, the A’s are set to embark on a new chapter, playing the next three seasons at a minor-league stadium in Sacramento, California, while their future home in Las Vegas is constructed.
The season finale against the Seattle Mariners won’t evoke the same deep emotions as Thursday’s final home game at the Oakland Coliseum, which Dave Stewart, an A’s pitching legend, likened to attending a funeral. However, Sunday will still mark a bittersweet moment for both the franchise and the fans.
Despite moving to an away stadium, it was clear that Oakland still holds a place in the hearts of some fans. Over the past two nights at T-Mobile Park in Seattle, some of those die-hard supporters showed up in yellow and green, cheering their team on for one final time.
“There were some more Oakland fans here cheering for us,” A’s pitcher JP Sears said. “We always have that in the back of our minds. … I think recognizing that, playing hard and getting to 70 wins (the A’s are 69-92) would be huge.”
Mariners Take Control, A’s Seek Redemption
The Mariners (84-77) have had the upper hand in this series, winning the first two games. They secured a 2-0 victory on Friday night and a thrilling 7-6 win in 10 innings on Saturday.
Seattle’s Cal Raleigh has played a significant role in these wins, homering in both games to bring his season totals to 33 homers and 98 RBIs. Raleigh’s hot bat has helped the Mariners remain competitive in the closing days of the regular season.
Luke Raley also stepped up on Saturday, hitting a go-ahead double in the seventh inning to break a 3-3 tie and later blasting a two-run home run with one out in the bottom of the ninth to tie the game at 6. Raley’s approach to the game, despite the stakes, embodies the essence of the sport.
“It’s the big leagues,” Raley said. “Not everybody gets to do this. I will never take a day for granted.”
The A’s, however, showed resilience. Shea Langeliers hit a three-run homer with two outs in the top of the ninth, giving Oakland their only lead of the night. Brent Rooker and Tyler Soderstrom also went deep for the A’s. Rooker now stands at 39 homers for the season.
“Rook has been phenomenal. He’s not only having this great season, but he’s becoming a really great teammate, really great leader,” A’s manager Mark Kotsay said. “Not that he wasn’t a great teammate, just a great leader in this clubhouse with these guys. You can see him kind of emerging and taking on that responsibility. Which is awesome. I hope that (Sunday) works out for him and he gets that 40th home run.”
Probable Starters: Mitch Spence vs. Logan Gilbert
Both teams plan to send right-handers to the mound for the season finale. For the A’s, Mitch Spence (8-9, 4.35 ERA) will take the mound, while Seattle will counter with Logan Gilbert (8-12, 3.33 ERA).
Spence has faced the Mariners twice this season. He recorded a scoreless inning of relief and earned a hold in an 8-1 victory on May 11 in Seattle. However, when he started against them on June 4 in Oakland, he gave up four runs on nine hits over six innings, taking a 4-3 loss.
Gilbert, on the other hand, has found some success against the A’s in his career, with a 2-1 record and a 3.36 ERA in 11 career starts. He suffered a 2-1 loss on June 5 in Oakland, despite giving up just one earned run over seven innings. In his most recent start against Oakland on September 2, Gilbert allowed four runs on four hits over six innings but did not factor into the decision, as the Mariners ultimately fell 5-4.
What’s at Stake for Both Teams
For the Athletics, the goal is simple: finish strong and give the fans one last memory of the “Oakland” A’s. The team is one win away from reaching 70 wins, and for a franchise in transition, that milestone carries significant pride.
“We always have that in the back of our minds,” Sears reiterated. “Getting to 70 wins would be huge.”
Brent Rooker is also aiming for his 40th home run, which would be a remarkable achievement for the outfielder. As Kotsay noted, it’s about more than the numbers—it’s about leadership and character, qualities Rooker has demonstrated throughout this challenging season.
For Seattle, ending the season on a high note is critical as well. The Mariners have endured ups and downs this year, and finishing with a series sweep would provide a positive note heading into the offseason. Cal Raleigh, who has delivered consistently throughout the series, is just two RBIs away from reaching 100—a significant milestone that he’ll look to achieve on Sunday.
A Farewell and a Fresh Start
As the A’s don their Oakland jerseys one last time, Sunday’s game will undoubtedly carry emotions, not only for the players and coaches but also for the fans who have supported the team through thick and thin. The Athletics will close a chapter in the franchise’s history, filled with triumphs and challenges, as they prepare for a future in Las Vegas.
With Mitch Spence and Logan Gilbert on the mound, both teams will look to provide their fans with one final showcase of what they can bring to the field. Whether it’s a young rookie seeking to make a mark or a veteran eyeing one more significant milestone, Sunday’s game promises to be a fitting end to a season marked by transition, growth, and the unyielding spirit of baseball.
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The Lean
Today’s game between the Athletics and Mariners has the 10th ranked combined run projection, and our lean would be towards taking the over. As for how we would play the money line in this one, we are leaning towards the Athletics to pick up the win. Looking at today’s starters, we have Logan Gilbert as the better strikeout option over Mitch Spence for the Athletics.
