Travis signed a minor-league contract with the Mariners on Thursday.
Travis was released by the Rangers on Thursday, Andersen Pickard of MLBDailyDish.com reports.
Travis went 1-for-2 with a two-run single in Sunday's spring game against the Dodgers.
Travis (hamstring) is batting eighth as the designated hitter in Sunday's Cactus League game against the Dodgers.
Travis (hamstring) has been running the bases and could appear in a spring training game this coming weekend, Sam Blum of the Dallas Morning Star reports.
Travis sustained a hamstring injury while training during the offseason, Chris Halicke of Sports Illustrated reports.
Travis has been extended an invitation to spring training, Evan Grant of the Dallas Morning News reports.
Travis will be given a shot to compete at first base during spring training, Evan Grant of the Dallas Morning News reports.
Travis was traded from the Red Sox to the Rangers on Wednesday in exchange for left-hander Jeffrey Springs.
Travis cleared waivers Thursday and accepted an outright assignment to Triple-A Pawtucket, Chris Cotillo of The Springfield Republican reports.