SANTA CLARA, Calif. -- Now that he is back with the San Francisco 49ers for a second season, Anquan Boldin's sheer professionalism and approach to the game is no longer a novelty.It's a given."A-plus, plus, at all times," 49ers coach Jim Harbaugh said about Boldin. "Comes to practice, goes straight home, comes back and kicks butt the next day. And then he goes home, comes back and kicks butt again. You feel showered by the attributes that he has in terms of seriousness of being great, and seriousness of our team improving and winning, in all regards.