Miller takes step forward with bullpen session

Miller induces inning-ending DP DETROIT -- There remains no definitive timetable for Andrew Miller's return to the Indians' bullpen, but the big left-hander took another promising step forward on Friday afternoon. Prior to the Tribe's game against the Tigers, Miller worked through a lengthy bullpen session at Comerica Park.

"The fact that he threw 30 pitches -- that's a lot," Indians manager Terry Francona said. "Where it goes from here, I don't think we know. Obviously, he's going to have to throw more. One, we just want to see how he bounces back, first of all, because that's one of the huge challenges."

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Due to the volume of throws in Friday's workout, Francona was…