Clayton says its this years 2nd and a conditional mid-round in 2014.
http://espn.go.com/nfl/story/_/id/89...-chiefs-source
The San Francisco 49ers have agreed to trade quarterback Alex Smith to the Kansas City Chiefs, a league source confirmed to ESPN.com's John Clayton.
Kansas City will trade its second-round pick in the 2013 draft -- the second selection (No. 34 overall) in the round -- as well as another conditional mid-round pick in 2014 to acquire Smith from San Francisco, a league source told ESPN.