According to T.R. Sullivan of MLB.com, the Rangers have signed reliever Joe Nathan. Evan Grant of the Dallas Morning News reports that Nathan will receive a two-year deal with a club option for a third year. Nathan, who turns 37 on Tuesday, made his way back from Tommy John surgery this season, posting a 4.84 ERA and 43/14 K/BB ratio over 44 2/3 innings this season. He will take the closer's role from Neftali Feliz, who will make his long-awaited move to the starting rotation.