SANTA CLARA – Jim Harbaugh spoke in the media tent Friday afternoon. This is what he said. Q: Why promote Tony Jerod-Eddie to the active roster and not a receiver? HARBAUGH: We felt that’s where we needed the depth this weekend, this game. Q: What do you like about him? HARBAUGH: He’s been a big body, been strong, has a good understanding of our system and he gets an opportunity….