Mariners vs Padres live stream: Watch online free 12:40 PT Tuesday as this interleague series home and home concludes in San Diego.

The Mariners (36-34) have taken the first game last night vs the Padres (29-4!) are hope to win their third straight game as the series shifts to Seattle tomorrow for two more games. Watch the free live stream online as two struggling pitchers in Eric Stults and Roenis Elias take the ball for their respective teams.

Watch the free live stream online of the Mariners vs Padres below:

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Stults (2-8, 5.79 ERA) has gone 0-5 in his last eight starts with only two quality starts.

"[Stults] gave us an opportunity in the middle part of the game to flip the momentum to our side," Padres manager Bud Black said. "He did his part for the time he was out there."

Elias (5-5, 4.14 ERA) is coming off a start where he went 3 1/3-innings on Thursday. He allowed six runs on six hits and three walks. The loss to the Yankees snapped his two-game winning streak.

"He didn't have command of his pitches," Mariners manager Lloyd McClendon said. "His changeup was cutting, his fastball was erratic, and he left some breaking balls up. It just wasn't his night. It happens sometimes."

In his previous two starts, he threw a three-hit shutout against the Tigers before twirling 7 2/3 innings of five-hit ball against the Rays. But a month after a 10-strikeout performance in a win at Yankee Stadium, he allowed a career-high six earned runs Thursday, according to MLB.com.

"My control was OK. I just left a few pitches out over the plate," Elias said through interpreter Fernando Alcala. "I still felt good out there, I just made some bad pitches. It's just baseball. Sometimes you get the results you want, sometimes you don't."