Rodriguez (shoulder) will not be ready for the start of the 2019 season.
Rodriguez came to terms Tuesday with the Rangers on a minor-league contract, Gerry Fraley of The Dallas Morning News reports.
Rodriguez was optioned to Triple-A Round Rock on Saturday, T.R. Sullivan of MLB.com reports.
Rodriguez allowed a hit to the first batter faced before retiring the final five batters to record 1.2 scoreless innings in Thursday's 7-5 win over the Tigers. He struck out two and walked none.
Rodriguez was recalled by the Rangers on Thursday.
Rodriguez was sent back down to Triple-A Round Rock on Thursday.
Rodriguez was recalled from Triple-A Round Rock on Monday .
Rodriguez (elbow) has been reinstated from the disabled list and will head to Triple-A Round Rock on Tuesday, John Blake of the Texas Rangers reports.
Rodriguez (biceps) is unlikely to be activated to the major league when his rehabilitation assignment expires Tuesday, Evan Grant of the Dallas Morning News reports.
Rodriguez (elbow) will continue his rehab assignment with Triple-A Round Rock, Levi Weaver of The Athletic reports.