ESPN: 49ers to trade QB Smith to Kansas City

San Francisco 49ers quarterbacks Alex Smith (11) and Colin Kaepernick, right, throw during practice on Wednesday, Jan. 30, 2013, in New Orleans. The 49ers are scheduled to play the Baltimore Ravens in the NFL Super Bowl XLVII football game on Feb. 3. (AP Photo/Mark Humphrey)

February 27, 2013 10:34:35 AM PST
A league source tells ESPN the San Francisco 49ers have agreed to trade quarterback Alex Smith to the Kansas City Chiefs.

According to the source, Kansas City will trade its second-round pick in the 2013 draft (the second selection in the round) and another conditional mid-round pick in 2014.

The trade cannot be officially completed until March 12, which is when the 2013 league year officially begins.

Smith, 28, has thrown for 14,280 yards with 81 touchdowns and 63 interceptions in 80 career games.