Coming off their win over the Cardinals the 49ers flew to Lambeau Field for an NFC duel with the Packers. The 49ers took the lead after kicker Jeff Reed hit a 44 and a 26-yard field goal. The lead didn't last long after QB Aaron Rodgers completed a 57-yard TD pass to WR Greg Jennings, followed by FB John Kuhn getting a 1-yard TD run. The 49ers cut the lead down with QB Troy Smith making a 66-yard TD pass to TE Vernon Davis, but in the third quarter, the Packers replied with Rodgers getting a 61-yard TD pass to WR Donald Driver. The 49ers scored again with Reed nailing a 23-yard field goal. They struggled further after Rodgers found Jennings again on a 1-yard TD pass. Followed in the fourth quarter by kicker Mason Crosby making a 43 and a 24-yard field goal.

Answer this question based on the article: Which player ran the ball in for a one yard touchdown?
John Kuhn