Before this season, former 49ers wide receiver Randy Moss said quarterback Colin Kaepernick and tight end Vernon Davis never really developed a "rapport" during the 2012 season.Though Kaepernick was electric as the team's new quarterback on a team that went to the Super Bowl, Moss said the second-year pro and Davis just didn't click the same way Alex Smith and Davis had clicked.Upon hearing Moss's opinion, Davis disagreed and said results in 2013 would show their strong connection."I feel me and Colin are on a different level than where we were last year," Davis said in September.Six games into the 2013 season, that's apparent.On Sunday, Kaepernick connected with his veteran tight end eight times for 180 yards and two touchdowns as the 49ers defeated the Arizona Cardinals at Candlestick Park, 32-20. It was San Francisco's third straight victory and improves its record to 4-2 to stay a game behind Seattle (5-1) in the NFC West.With the 49ers holding just an 8-7 lead in the second quarter, Kaepernick avoided the oncoming rush on a first-and-10 play from his own 39, rolled to his left and heaved the ball deep downfield, hitting Davis in stride for a 61-yard TD play to put the 49ers...