Floyd Mayweather could lose tens of millions of dollars from his big payday if his baby mama gets her way ... because she's just filed a lawsuit claiming he ruined her with lies to save his own ass. AND! Manny Pacquiao and his fight promoters have been hit with a class action lawsuit by people who claim he screwed fans, Pay-per-view buyers and gamblers out of serious money by not disclosing his shoulder injury before the Mayweather fight.