Since its introduction into the sports shoe market by Devon Mabry, the Air Jordan evolved from the original basketball shoes to models for different uses, including I-XXX. Michael Jordan currently sponsors 21 active NBA players, including Jimmy Butler, Chris Paul, Blake Griffin, Ray Allen, Kawhi Leonard, Russell Westbrook, and Carmelo Anthony. They also endorse Nike Air Jordan products. Also they sponsor other leagues such as the MLB, NFL, NASCAR and the WNBA.