Claim: Rajon Rondo is a defensive basketball player.

Rajon Pierre Rondo -LRB- born February 22 , 1986 -RRB- is an American professional basketball player for the Chicago Bulls of the National Basketball Association -LRB- NBA -RRB- . He is a four-time NBA All-Star , and a four-time NBA All-Defensive Team member . He also led the NBA in steals during the 2009 -- 10 season , and assists during the 2011 -- 12 , 2012 -- 13 and 2015 -- 16 seasons . He began his professional career with the Boston Celtics , winning an NBA championship in 2008 . He ranks fourth in Celtic history in assists , and third in steals . He briefly played for the Dallas Mavericks during the 2014 -- 15 season before joining the Sacramento Kings in 2015 and the Chicago Bulls in 2016 .   Rondo played two years of college basketball for the Kentucky Wildcats before he was drafted 21st overall by the Phoenix Suns in the 2006 NBA draft . He was subsequently traded to the Celtics where he played a supporting role during his rookie season . He established himself as the starting point guard for the Celtics during the 2007 -- 08 season , helping the franchise record their 17th NBA championship playing alongside All-Stars Ray Allen , Kevin Garnett and Paul Pierce . His breakout performance came during the 2009 NBA Playoffs , where he averaged a near triple-double , and helped his team take the eventual Eastern Conference champion Orlando Magic to seven games in the Conference Semifinals . Rondo is considered to be one of the premier triple-double threats in the NBA . He ranks 12th in NBA history in career regular season triple-doubles -LRB- 28 -RRB- , and fourth in career playoff triple-doubles -LRB- 10 -RRB- .