MIAMI GARDENS, Fla. – Former NFL All-Pro Chad Johnson was put on the canvas in his boxing debut, but he did make it to the final bell in the four-round exhibition. The former Cincinnati Bengals star faced MMA fighter and bare-knuckle boxer Brian Maxwell in a cruiserweight bout at Hard Rock Stadium that was featured on the prelims of Sunday’s Floyd Mayweather vs. Logan Paul pay-per-view event at Hard Rock Stadium. The special rules matchup did not feature judges to declare a winner.