Matchup: Justin Grimm vs. Ryan Dempster

ARLINGTON, Texas -- The Rangers open a three-game series against Boston on Tuesday with rookie right-hander Justin Grimm facing Ryan Dempster at 6:10 p.m. at Fenway Park.

Grimm (5-3, 3.93): Grimm makes his 10th start as the Rangers open a six-game road trip. ... He takes a three-game winning streak into his first start at Fenway Park. ... Grimm snapped the Rangers' three-game losing streak in a 9-5 victory over Arizona on Thursday. He allowed two runs and eight hits in six innings, throwing 91 pitches while striking out eight strikeouts and not walking a batter. ... He hasn't walked a batter in his last 17 innings (75 batters). ... Grimm is 2-2 with a 4.94 ERA for five road starts. ... Grimm hasn't allowed a home run and has walked only two in his five winning starts. ... He leads American League rookies with five wins and 44 strikeouts and ranks second in ERA.

Dempster (2-6, 4.45): Dempster, who pitched for the Rangers in the second half of last season, will make his first career start against Texas. He was 7-3 with a 5.09 ERA for 12 starts for the Rangers. ... He earned a save against the Rangers in 2007, striking out the side while pitching for the Chicago Cubs. ... Dempster is 0-4 in his last five starts, but he did pitch well against Philadephia last Tuesday, allowing two runs in seven innings with four strikeouts and three walks. ... Dempster has 32 walks in 62 2/3 innings and has allowed 10 home runs.

Hitters: Grimm hasn't faced the Red Sox. A.J. Pierzynski (8-for-25, 2 HRs, 7 RBIs) and Lance Berkman (20-for-68, 6 HRs, 17 RBIs) have had success against Dempster.