Boldin wants Kaepernick to tune out noise he has embraced

At a time when 49ers quarterback Colin Kaepernick hopes to improve his game by changing it dramatically, a teammate has offered some clear advice for Kaepernick:  Don’t. “To be honest with you, I just think he has to just block out everything else around him,” receiver Anquan Boldin told SiriusXM NFL radio on Wednesday, via…