OAKLAND -- As past and present converged on the Coliseum on Sunday afternoon, which saw the induction of the 2023 class of A's Hall of Famers, Oakland's young core gave the team an enticing glimpse of what is yet to come.

Nick Allen homered twice and Shea Langeliers drove in the game-winner with a two-run single in the sixth inning of the A's 8-6 win over the Giants, sealing a two-game sweep and bringing the Bridge Trophy back to Oakland for the first time since 2020.

The Bay Bridge Series may primarily be about bragging rights, but for the A's, getting the best of their crosstown rivals was a welcome reprieve amid a difficult season in which they have gone 32-80.

"It's a fun series; it's a competitive series. I think the guys feel that as well," manager Mark Kotsay said. "There was tons of energy, in these last two days, in the stands, which we love. When these fans, when they come out and give their support, there's no better fans in baseball to play in front of."

Many of Oakland's youngest players had not played in front of such a boisterous Coliseum crowd, and they fed off the lively atmosphere -- "it just gets the juices flowing," Allen said -- as they came out on the right side of a back-and-forth affair. The A's trailed by as many as three runs in the top of the fifth before scoring five unanswered runs to down the Giants.

Allen, Seth Brown and Zack Gelof collected three hits apiece, a big league first for MLB Pipeline's No. 3 A's prospect. At the bottom of Oakland's order, top prospect Tyler Soderstrom, Langeliers and Allen combined to drive in six runs.

Allen went deep twice off Alex Cobb in his first two at-bats, his first career multihomer game and just his second as a pro. He reached base in all four trips to the plate.

"I woke up today and immediately went outside, got some sunlight, and I think that's a big thing. I woke up on the right side of the bed," Allen said, cracking a smile. "I felt like I was seeing the ball well today, so I'm happy."

Meanwhile, the bullpen picked up a shaky start from Luis Medina, who made his first appearance this month following a strong July in which he compiled a 2.86 ERA across 22 innings.

Medina, who had walked one or fewer in three of four July outings, issued five free passes and permitted four runs (three earned) over 3 1/3 innings. The Giants went on to plate another pair of runs, but Kirby Snead, Lucas Erceg, Angel Felipe and Trevor May combined for four scoreless innings to close out the game.

"That's why we call this a team. We support each other," Medina said in Spanish through interpreter Ramon Hernandez. "Even though I didn't have the start I wanted to have, they picked me up today, the bullpen and the hitters. It's a whole win; it's a team win."

While looking back on the weekend series, the A's frequently circled back to the level of energy at the Coliseum, which drew two of its three largest crowds this season. Veterans and rookies alike reveled in the electric environment.

For Erceg, who hails from San Jose and attended both A's and Giants games growing up, seeing both sides of the Bay come together in one stadium has always been meaningful.

"Just being able to represent a Bay Area team and growing up in the Bay Area is really special," said Erceg, who worked around a pair of walks in his scoreless seventh inning. "I think the [A's and Giants] fans do a really good job of being appreciative of … the baseball that we have here, and the unity that we kind of bring together whether it's in San Francisco or in Oakland.

"They show out and they show up, and they're really passionate, which is how I grew up to love the game. So to be a part of that on the field was special."