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A detailed picture of a Texas Rangers hat and glove in the dugout before Game Two of the 2010 MLB World Series against the San Francisco Giants at AT&T Park on October 28, 2010 in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)
Tateyama, a sidearm thrower who turns 35 on Dec. 26, is looking to pitch in the United States for the first time.
Texas announced the signing Tuesday.
In 58 games last season, Tateyama had a career-low 1.80 ERA. He was 1-2 with four saves and held opposing hitters to a .213 average. He struck out 59 and walked 11.