Mayweather-Pacquiao fight may yet see a KO: class action

Boxing fans had been waiting for the Floyd Mayweather and Manny Pacquiao fight for years. But the fight was lackluster, partly due to Pacquiao's alleged shoulder injury, The Washington Post reports. Now, the shoulder injury has led to a class-action lawsuit. Two Las Vegas men have filed a $5 million class-action lawsuit against Pacquiao and his promoter on behalf of those who purchased tickets, paid through Pay-per-view or wagered bets on the fight. The suit claims Pacquiao and his team failed…