Former NBA All-Star Slam Dunk champion Dwight Howard will participate in the competition for the first time in 11 years as the league revealed the fields for the three challenges. Howard was memorably crowned champion during his time with the Orlando Magic in 2008, however, the Los Angeles Lakers center last featured in 2009. The eight-time All-Star headlines the field for the Slam Dunk contest, which will take place at the United Center in Chicago on February 15.