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06/06/10 5:56 PM ET

Mariners look to make their move on Rangers

The Mariners haven't exactly lived up to expectations this season with a 22-34 record that currently has them in last place in the American League West and eight games behind the first-place Rangers.

But Seattle has the perfect opportunity to make up ground on Texas with a four-game series at Rangers Ballpark in Arlington that begins Monday night.

The Mariners will send left-hander Cliff Lee to the mound in the opener while the Rangers will counter with right-hander Scott Feldman.

Lee has certainly been the ace the Mariners were looking for when they traded for him this offseason, as he's struck out 50 batters and allowed just four walks and one home run on the season.

He's also been excellent in his past two outings, allowing just three combined runs over 16 innings against the Angels and Twins.

So while Lee has been dominant this season, Feldman has struggled a bit with a 3-5 record and 5.82 ERA. He's also allowed at least four runs in each of his past six outings dating back to April 29.

But Feldman at least went eight innings in his last start, which came Wednesday against the White Sox when he allowed five runs on eight hits but still picked up the win. And even though he allowed five runs, he still impressed catcher Matt Treanor.

"That's probably the best you'll see a guy pitch for giving up five runs," Treanor said. "He was locating the ball and letting his natural movement do his thing. He wasn't forcing anything. He mixed it up, and it was working."

Mariners: Fister placed on disabled list
The Mariners' rotation took a hit on Sunday when right-hander Doug Fister was placed on the 15-day disabled list with a fatigued throwing shoulder. Fister, who has been a pleasant surprise this season with a 2.45 ERA over 10 starts, was replaced on the roster by reliever Luke French, who was recalled from Triple-A Tacoma.

Rangers: Hamilton expected to be back in lineup
Outfielder Josh Hamilton, who is batting .301 with 11 homers and 33 RBIs, was out of Sunday's starting lineup against the Rays with soreness in his right knee, but he is expected to be back in the lineup on Monday. Hamilton contributed a pinch-hit RBI single in Sunday's loss.

"They said sometimes the fatty pad in your knee can get pinched and get inflamed," Hamilton said. "It's nothing that's so painful that I can't play with it.

Worth noting
Rangers left-hander Derek Holland, who is on the disabled list with mild inflammation in his left rotator cuff, played catch for the first time since his injury on Sunday and said he felt good but that no timetable has been set for his return. ... Mariners manager Don Wakamatsu and second baseman Chone Figgins were both ejected from Sunday's game against the Angels. ... The Rangers are 5-1 against the Mariners this season and haven't lost a season series to the Mariners since 2007, when they went 8-11 against Seattle.

This story was not subject to the approval of Major League Baseball or its clubs.