Raphael Betancourt and Joe Smith, relief pitchers for the Indians, are on the disabled list. When they are ready to pitch why do they need a rehab assignment in the minor leagues?Since their outings from the bullpen are usually a few innings or less, why can’t they just throw in the bullpen for  the Indians, then pitch a simulated game, and be ready to pitch quickly?Smith has already pitched one inning for the Columbus Clippers. If he throws in the bullpen before the Indians games and then p...