Harbaugh on Mangini: “I was watching him on TV and he’s got a great reputation.”

SANTA CLARA — Jim Harbaugh spoke to reporters Tuesday after practice. Here’s what he said.   How’s LB Darius Fleming? “How is he?”   Yeah, we saw him go down with an apparent knee injury out there. “Didn’t see that.”   OK. Well, tell us about 49ers senior offensive consultant Eric Mangini then and— “Are you sure it wasn’t [WR] Kassim [Osgood], when Kassim went down?”   No, Fleming definitely…

June 4, 2013