So long, “Mount Pain”

Former 49ers coach Mike Singletary was into giving bombastic speeches. He like old school drills like the “Nutcracker.” His penchant for bold gestures was perhaps best symbolized by “Mt. Pain.” Singletary built a hill in 2009 at the 49ers practice facility for players to run up. Matt Barrows of the Sacramento Bee says Jim Harbaugh…