UFC 48: Payback was a mixed martial arts event held by the Ultimate Fighting Championship at the Mandalay Bay Events Center in Las Vegas, Nevada. The featured contestants of the evening were Ken Shamrock and Kimo Leopoldo, who had met once before in 1996 at UFC 8, with Shamrock reigning victorious.

UFC 30: Battle on the Boardwalk was a mixed martial arts event held by the Ultimate Fighting Championship at the Trump Taj Mahal in Atlantic City, New Jersey on February 23, 2001. UFC 30 was also the first UFC event since UFC 22 to see a home video release.