There was plenty of talk this past week from the Green Bay Packers about how they were going to stop Colin Kaepernick from running.Perhaps they should have paid more attention to stopping his throwing.On Sunday – in the opener of the last season ever to be played at Candlestick Park – Kaepernick threw for a career-high 412 yards and three touchdowns as the 49ers defeated the Green Bay Packers 34-28. And, in so doing, Kaepernick discovered a new go-to receiver in veteran Anquan Boldin, who had an amazing debut as a 49er. Boldin, acquired from the Ravens in an offseason trade for a sixth-round pick, caught 13 passes for 208 yards – the second-best game for yardage in the 11th season of his pro career – and a TDThe 49ers also got a big receiving day from tight end Vernon Davis, who had six catches for 98 yards and two touchdowns.Boldin's smashing totals – 10 or more receptions and a TD catch – mark the first time in the Super Bowl era that a 49ers receiverr has done that in a season opener, according to ESPN Stats.Tweeted NFL.com's Bucky Brooks during the second half: "The 49ers' Anquan Boldin is getting it done today. He already has unbelievable...