Floyd Mayweather is in the headlines these days for his upcoming boxing match with MMA fighter Conor McGregor. However, when he isn't busy inside the boxing ring, he can likely be found rearranging his collection of high-profile supercars. By rearranging, we mean selling incredibly rare cars to make room for new ones. Mecum has officially consigned Mayweather's Koenigsegg CCXR Trevita after months of speculation that the boxer would sell his prized-Swedish supercar. The fact this car is hitting the market is a big deal because only two CCXR Trevitas were built and this one is specced to be street legal in the United States. The "Trevita" name is Swedish for "three whites," which references the Koenigsegg's special diamond-weave, carbon-fiber bodywork. As for power, the CCXR Trevita