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Rangers acquire Minor League pitcher Mark Hamburger from Minnesota in exchange for LHP Eddie Guardado
08/25/2008 3:20 PM ET
ARLINGTON -- The Texas Rangers announced today that the club has acquired Minor League right-handed pitcher Mark Hamburger from the Minnesota Twins in exchange for left-handed pitcher Eddie Guardado. To take Guardado's spot on the 25- and 40-man rosters, the club has purchased the contract of left-handed pitcher Bill White from Triple-A Oklahoma. White (#56) is expected to arrive and be available in the bullpen for tonight's game in Kansas City.

Hamburger, 21, has spent the entire season with Elizabethton (Rookie) of the Appalachian League, going 1-2 with 13 saves and a 4.17 ERA (17 ER/36.2 IP) in 27 relief appearances. He was recently named the league's Closer of the Year and added to the circuit's postseason All-Star squad. He has held Appy League batters to a .250 (35-140) average with 13 walks and 40 strikeouts, allowing just 2 home runs. The 6-foot-4, 210-pound right-hander has allowed no walks with 10 strikeouts over his last 11 appearances beginning July 28.

White, 29, will be seeking his first action with the Rangers this season. He has spent the year with the RedHawks, going 4-1 with 6 saves and a 3.54 ERA (21 ER/53.1 IP) in 50 relief appearances. Pacific Coast League opponents have batted just .233 (45-193) with 30 walks and 62 strikeouts against White, including just a .215 (17-79) mark by left-handed hitters. Over his last 26 outings beginning June 10, White has a 1.47 ERA (5 ER/30.2 IP) with a .173 (17-98) opponents average in that span.

White made his major league debut with the Rangers last season, going 2-0 with a 4.82 ERA (5 ER/9.1 IP) in 9 relief appearances. Originally selected in the 3rd round of the 2000 June draft by Arizona, White also pitched in the Washington organization before signing with Texas as a free agent on March 28, 2007.

Guardado was 3-3 with 4 saves and a 3.65 ERA (20 ER/49.1 IP) in 55 relief appearances for Texas this season. He currently ranks 3rd in the American League with 23 holds, and leads all major league pitchers with 21 holds beginning May 27. Originally drafted by Minnesota in 1990, Guardado spent 13 years in the Twins organization from 1991-2003.

With these moves, the Rangers still have a full 40-man roster.

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

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