BERKELEY – One was an arching blast that cleared the wall in right, the other a laser to left-center.

With two swings of the bat, the Bears dashed Oregon's hopes and registered their most exciting win of the season Friday night.

Quentin Selma tied the game in the bottom of the ninth with a home run, then Korey Lee won it with a walk-off shot that lifted the Cal baseball team to an 8-7 victory to open a three-game series at Evans Diamond.

It was quite an emotional swing after the Bears squandered a 6-3 lead and found themselves trailing 7-6 entering the bottom of the ninth.

Most of their victories this season before the home crowd have been one-sided affairs. This was one for the memory bank, and the wild scene near the pitcher's mound as the Bears celebrated was proof of that.

"For Selma and Korey Lee to come in and do that off a premium closer (in Oregon's Ryne Nelson), he's one of the best guys in the country," Cal head coach Mike Neu said. "That was just such a big boost."

It was a pivotal win for Cal (22-14, 9-7 Pac-12) to get at home to open this weekend series. The Bears are in fifth place, and Oregon (22-17, 7-9) entered the day just a game behind them.

Grant Holman homered early for Cal, but the Ducks' Gabe Matthews went deep twice and Oregon scored three times in the top of the eighth to take a 7-6 lead.

But with one out in the bottom of the ninth, Selma – who has swung such a hot bat that he's been moved from  ninth to second in the order – drove a curling shot over the wall in right to tie it.

Two batters later, Lee found himself in a 3-1 count and pounded a fastball from Nelson for a walk-off shot to left-center. It was his 11^th homer, tying Andrew Vaughn for the team lead.

"It's an incredible feeling," Lee said. "A guy like Nelson is throwing hard. You just gotta get your foot down and get your pitch to hit. And I got my pitch and it happened."

The Bears needed someone to emerge in the heart of the order to complement Vaughn, a returning All-American and national player of the year.

Lee, a junior catcher, has enjoyed a breakout season. He's hitting .333, and his 41 RBI rank sixth in the Pac-12. He and Vaughn are tied for fifth in homers with 11.

"Hitting behind Andrew Vaughn is just such a big task, and he's done more than what we've asked him to do," Neu said. "And it's been clutch too. Some of his hits have been enormous, and this is probably the biggest that we've had all year.

"I can't say enough about his maturation and the player that he's becoming because it's been such a huge part of our team."