Hart returned to Seattle following Sunday's 6-2 victory at Minnesota to undergo further examination on his strained left hamstring. The expectation is that Hart will require time on the disabled list.
In 30 games at Tacoma, Franklin is hitting .376 with seven home runs and 26 RBI.
Left-hander James Paxton and right-hander Taijuan Walker are scheduled to pitch simulated games prior to today's game against the Rangers. Paxton is recovering from a strained back muscle; Walker has battled a sore shoulder.
Plans call for outfielder/DH Logan Morrison to test his strained right hamstring in the simulated games. If all goes well, Morrison is likely to depart on a minor-league rehab assignment.
The Mariners open a two-game series against Texas today at Globe Life Park in Arlington, Texas. Right-hander Hisashi Iwakuma (2-0 with a 1.59 earned-run average) will start for Seattle against Rangers right-hander Colby Lewis (3-2, 4.99).
The series concludes at 11:05 a.m. PDT Wednesday when right-hander Chris Young (3-1 and 3.22) faces Texas right-hander Nick Tepesch (0-0, 1.69).
The Mariners return to Safeco Field on Thursday for the start of the season's longest homestand: 11 games. Seattle plays four against Houston, four against the Los Angeles Angels and three against Detroit.
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