In this photo from Jan. 14, 2012, San Francisco 49ers quarterback Alex Smith (11) runs behind offensive tackle Joe Staley (74) to score on a 28-yard touchdown run during the fourth quarter of an NFL divisional playoff football game against the New Orleans Saints in San Francisco. (AP Photo/Jeff Chiu, file)
In this photo from Jan. 14, 2012, San Francisco 49ers quarterback Alex Smith (11) runs behind offensive tackle Joe Staley (74) to score on a 28-yard touchdown run during the fourth quarter of an NFL divisional playoff football game against the New Orleans Saints in San Francisco. (AP Photo/Jeff Chiu, file) Jeff Chiu AP
In this photo from Jan. 14, 2012, San Francisco 49ers quarterback Alex Smith (11) runs behind offensive tackle Joe Staley (74) to score on a 28-yard touchdown run during the fourth quarter of an NFL divisional playoff football game against the New Orleans Saints in San Francisco. (AP Photo/Jeff Chiu, file) Jeff Chiu AP