Because the player they call up doesn't have to sit on the bench- he might be a player that could actually valuable next year, and they might actually give the player some useful experience. What else is there to play for this year? 98 losses, 99 losses, 100 losses, who cares- let's at least learn something about all these guys who seem to have potential. Who would you rather see play in these ultra-meaningless games? Danny Santana, Trevor Plouffe, or anyone else?