During the draft, Rondo was selected 21st overall by the Phoenix Suns, and was subsequently traded to the Boston Celtics, where he made his NBA debut as a rookie during the 2006–07 season. He played a supporting role before he established himself as the starting point guard for the Celtics during the 2007–08 season. That season, Rondo earned his first NBA Championship, playing alongside All-Stars Kevin Garnett, Ray Allen and Paul Pierce. His breakout performance came during the 2009 NBA Playoffs, where he nearly averaged a triple-double, and helped his team take the eventual Eastern-conference champion Orlando Magic a full seven games in the East semi-finals.
Early lifeRondo was born on February 22, 1986 in Louisville, Kentucky to Amber Rondo.He has three siblings: Dymon, William and Anton.He had little contact with his father, who left his family when he was seven years old.To support the family, his mother worked the third shift at Philip Morris USA, a tobacco company.Rondo was first interested in football, before his mother steered him towards basketball because she felt that the sport would be less punishing on his skinny frame.After Rondo became serious about basketball, he attended Louisville's Eastern High School for three years where he played under head coach Doug Bibby. During his junior year at Eastern High School, he averaged 27.9 points, 10.0 rebounds and 7.5 assists which earned him a spot on the All-State honors and was named the 7th Region Player of the Year. He transferred to Virginia's Oak Hill Academy for his senior year where he averaged 21.0 points per game (ppg), 3.0 rebounds per game (rpg) and 12.0 assists per game (apg) and finished the 2003–04 season with a 38–0 record.In his senior year at Oak Hill Academy, Rondo broke Jeff McInnis's single-season school record of 303 assists, while averaging a double-double. There, he included two efforts of 27 assists and a single-game school record of 31, merely four away from the all-time national record.He also had a 55 point game in high-school, second highest all-time in Oak Hill Academy, surpassed only by Calvin Duncan with 61.Rondo was named to the McDonald's All-American Team in 2004 and scored a total of 14 points, 4 assists and 4 rebounds in the all-star game. He also participated in the 2004 Jordan Capital Classic game, logging 12 points, 5 assists and 4 steals. He ended his career as Oak Hill Academy's all-time assists leader in a single season with 494 assists, surpassing Jeff McInnis.
Following the 2005–06 NCAA season, Rondo announced he would forgo his final two seasons at Kentucky and enter the NBA draft.Rondo was drafted 21st overall by the Phoenix Suns in the 2006 NBA Draft. Phoenix then traded him to the Boston Celtics along with Brian Grant for the Cleveland Cavaliers' first-round draft pick in the 2007 NBA Draft and cash considerations.He was the first point guard to be chosen in the draft.In another draft-day deal, the Celtics acquired Sebastian Telfair from the Portland Trail Blazers, finally uniting the backcourt Rick Pitino had envisioned at Louisville.He was signed by the Boston Celtics on July 4, 2006