Sicilia Messina (2003–2004) Bonner was selected with the 45th overall pick in the
2003 NBA draft by the
Chicago Bulls but was then traded to the Toronto Raptors. The Raptors did not have a roster spot available at the time and asked Bonner to play overseas and hone his skills with a verbal promise to make the team the following season. Bonner signed with
Sicilia Messina of the
Italian league in
Messina,
Sicily. Sicilia filed for
bankruptcy in the middle of the season and stopped paying its players. Many players left the team but Bonner continued to play and finished the year averaging 19.2 points and 9.3 rebounds.
Toronto Raptors (2004–2006) In September 2004, Bonner signed a one-year deal with the
Toronto Raptors. On December 15, 2004, Bonner was ejected during a game against the
Minnesota Timberwolves after attempting to block a
Kevin Garnett shot attempt, with Raptors fans giving him a standing ovation, chanting his name and high-fiving him on his way out. In 2004–05, he played in all 82 regular season games and averaged 7.2 points. He remains the only Raptors rookie to play all 82 games in a season. In August 2005, Bonner re-signed with the Raptors on a two-year deal.
San Antonio Spurs (2006–2016) On June 21, 2006, Bonner was traded with
Eric Williams and a second round draft pick to the
San Antonio Spurs for
Rasho Nesterović and cash considerations. In his first season with the Spurs, he averaged 4.9 points in just 11.7 minutes per game, both of which were career lows for Bonner at that time. The team went on to win the NBA championship that season. In July 2007, Bonner re-signed with the Spurs on a three-year deal. On December 11, 2007, in a loss to the
Golden State Warriors, Bonner recorded season-highs of 25 points and 17 rebounds. On December 7, 2009, Bonner scored a career high 28 points and grabbed 8 rebounds in a 104–101 loss to the
Utah Jazz. In July 2010, Bonner again re-signed with the Spurs on a multi-year deal. He went on to lead the NBA in three-point field goal percentage for
2010–11 after he shot 45.7%. In 2011, Bonner starred in
Fundamentals of the Game with Coach B, a comedy web series hosted on the Spurs' official website. After a
social media campaign from his brother
Luke, Bonner participated in the 2013 NBA
Three-Point Shootout during
All-Star Weekend. He recorded a score of 19 in the first round to knock out
Ryan Anderson (18) and
Stephen Curry (17) and advanced to the final where he lost 20–23 to
Kyrie Irving. Later that year, Bonner and the Spurs reached the
NBA Finals where they lost to the
Miami Heat in seven games. On June 15, 2014, Bonner won his second NBA championship after the Spurs defeated the Miami Heat 4–1 in the
2014 NBA Finals. On July 21, 2014, Bonner re-signed with the Spurs, On July 15, 2015, Bonner again re-signed with the Spurs. Bonner's final NBA game was played on April 13, 2016, in a 96–91 win over the
Dallas Mavericks where he recorded 6 points,1 rebound, 1 assist and 1 block. He announced his retirement on January 6, 2017. On January 12, 2017, the Spurs jokingly "retired" Bonner's iconic flannel shirt in a locker room ceremony. ==Career statistics==