Johnson, 6-foot-9, 210 pounds, averaged career highs in points (6.2), rebounds (4.8) and minutes (17.7) while appearing in a career-best 82 games in the 2009-10 season. He upped his averages to 17.8 points, 6.0 rebounds and 33.0 minutes during five games in a starting role. He also recorded a franchise single-season record by shooting .623 from the field (min. 200 shots).
Johnson scored in double-figures 21 times and posted double-digit totals on the glass on five occasions in his first season with the Raptors. He set a career high with 26 points April 12 at Detroit and grabbed a season-best 13 rebounds, including a career-high nine defensive boards, April 9 at Atlanta.
Johnson was acquired from Milwaukee with guard-forward Sonny Weems on August 18, 2009 after spending his previous four seasons in the NBA with the Detroit Pistons.
In 2008-09, Johnson averaged 3.5 points, 3.7 rebounds and 14.7 minutes in 62 games. In 24 games as a starter, he averaged 4.8 points, 4.9 rebounds and 1.04 blocks in 19.6 minutes. He recorded 17 games with two or more blocks shots and led the Pistons in field goal percentage at .595. He had a career-high 14 rebounds versus Sacramento on January 2, 2009.
The 23-year-old was selected out of Westchester (Los Angeles) High School by the Pistons in the second round of the 2005 NBA Draft.