Transplants drummer Travis Barker attended the Gumball 3000 Rally on May 6th at Peter Morton’s Hard Rock Hotel & Casino in Las Vegas, California. Check out pictures from FilmMagic. The following day, Barker was on hand for the finish Line on Rodeo Drive in Beverly Hills, California. Check out pictures from FilmMagic. Things wrapped up with a Gumball 3000 Playboy Mansion Party in Los Angeles. Check out pictures from GettyImages.