Looking an awful lot like he did at his peak with the 49ers, Alex Smith was efficient and on-target from the opening kickoff. The Chiefs quarterback finished the half 12-19 for 117 yards, including an opening drive in which he was 6-8 for 61 yards. The drive ended with a short touchdown pass to tight end Travis Kelce.
But while Smith opened the half effectively, his 49ers counterpart closed it in that fashion.
Colin Kaepernick led the 49ers on a 93-yard drive that ended when he found Stevie Johnson wide open in the side of the end zone. The score gave the 49ers a 13-10 lead going into the locker room.
In the run up to the game, the storyline was how similar – at least statistically – the two quarterbacks have been. That held up in the first half: Kaepernick has 122 yards a touchdown; Smith has 117 yards a and a touchdown.
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Both also have been very good on third downs.
Smith is 7-8 on third downs with his only incompletion coming on a drop by Kelce. Kaepernick, meanwhile, converted two third downs on the team's long drive to end the half, one on a scramble and another on a 27-yard catch and run to Anquan Boldin.
Kaepernick and the 49ers have been targeting cornerback Marcus Hudson, a 2013 seventh-round pick by the 49ers who has struggled early this season. Johnson's touchdown came against Cooper while Brandon Lloyd hauled in a 39-yard pass with Cooper in coverage.
Both teams' third-down efficiency has been due in large part to an effective run game that has gained good yardage on first down.
Jamaal Charles has 49 yards on 11 carries for Kansas City. Frank Gore has run seven times for 37 yards for the 49ers.