During the 2013-2014 season in Seattle, Beimel posted a 2.20 ERA with a 3-1 record in 56 relief appearances. He held left-handed batters to a .188 batting average.
Beimel was out of the league during the 2012-2013 season, as he recovered from Tommy John surgery that he underwent while in Rangers training camp in 2012.
In 12 major league seasons, Beimel has recorded a 4.07 ERA with a 27-33 record and 357 strikeouts in 623 appearances. In addition to the Mariners, Beimel has pitched for the Pirates, Rockies, Nationals, Dodgers, Rays and Twins.
The Rangers finished last season 67-95 and in last place in the AL West.