SEATTLE -- Come on up, Blake Beavan.

The 6-foot-7, 250-pound right-hander, who was acquired in the Cliff Lee trade with Texas last season, will make his MLB debut as a starter Sunday against San Diego.

Beavan, 22, has been called up to start in place of Erik Bedard, who went on the 15-day disabled list last Wednesday with a sprained left knee. Manager Eric Wedge doesn't expect Bedard, who is 4-6 with a 3.00 ERA in 15 starts, to be out longer than the 15 days.

Beavan was the 17th-overall pick by the Texas Rangers in the 2007 Draft and was moved to Seattle last July in a trade involving Lee, Mariner first baseman Justin Smoak and Triple-A Tacoma reliever Josh Lueke.

"He's the guy that deserves to get the callup," Seattle manager Eric Wedge said prior to Saturday's game. "He's been very consistent down there. He's taken the ball every time he's supposed to take the ball and done a good job. He earned the opportunity to be here."

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This season with Tacoma, Beavan is 5-3 with a 4.45 ERA. Through 93 career Minor League starts, he sports a 3.73 ERA. In his last start on June 28, Beavan gave up 12 hits and six earned runs, but hadn't lost in his four prior starts.

The Texas native spent Spring Training with the Mariners in Peoria, Ariz., and Wedge liked what he saw. The skipper used adjectives like "good listener," and "good worker," when describing Beavan.

"You never know what you're going to get the first time up here, but by all indications, he's a guy that has done a good job of working the strike zone and pitching the way he's wants to pitch," Wedge said. "That's what you love to see with anybody, but particularly with a young kid."

Last season in the Minor Leagues, Beavan allowed just 1.1 walks per nine innings, the lowest of any Double-A or Triple-A starter. He also added 101 strikeouts in 168 1/3 innings.

Beavan, who will wear uniform No. 49 and is coming up on normal rest, will go up against Padres righty Mat Latos at 1:10 p.m. and will have his contract selected from Triple-A prior to the start, when a corresponding move also will be announced.

The Mariners will need to make room on both the 25-man and 40-man roster, and will most likely designate catcher Jose Yepez. Yepez took Bedard's spot on Wednesday after catchers Miguel Olivo and Chris Gimenez both went down with injuries in Tuesday's 5-4 loss to Atlanta. Olivo said Saturday that he is feeling better and could play Sunday.