Nick Mullens got the ball out quickly last year, but not fast enough for his taste. Last week, in an interview for this story, the 49ers quarterback said a focus of his offseason has been to identify defensive coverages earlier to accelerate his release. Last year, Mullens took 17 sacks in eight starts, which was an improvement from his predecessors. C.J. Beathard took 18 sacks in five starts and Jimmy Garoppolo took 13 sacks in three starts before he tore his ACL. "The biggest thing for me is just recognizing things a step quicker," Mullens said. "Instead of recognizing it when the ball is snapped, recognizing it a step before the ball is snapped. So you know you can skip (an initial) read to get (to a later progression) quicker. So that's what I'm focusing on: Seeing it sooner so I can make my decisions that much quicker." All quarterbacks are galled by interceptions, but Mullens' distaste for sacks might be just as intense. Mullens looked pained when asked to identify his lowlight from last season. He identified a 43-16 loss at Seattle in which he took three sacks, at least one of which was his fault. "(At) Seattle I probably missed a protection and you get sacked a lot...