WASHINGTON, DC - Unified WBA/IBF junior welterweight champion Amir Khan, and challenger Lamont Peterson, hold open workouts at Kennedy Recreation Center in Washington, DC. Khan defends his titles against Peterson on Saturday night. HBO and Sky Sports will televise. Heavyweight Seth Mitchell was also on hand, who faces Timur Ibragimov in the co-feature. Lamont's younger brother Anthony Peterson appears on the untelevised portion of the card.