By Ivan G. GoldmanIs Floyd Mayweather-Saul “Canelo” Alvarez a better action fight than Mayweather versus Manny Pacquiao, a pairing that used to make the whole world salivate? As for Pacquiao, conventional wisdom assumes that after Juan Manuel Marquez stretched him out last year, the Philippines Congressman was no longer a credible opponent for “Money” Mayweather. But conventional wisdom doesn’t always get it right. Big Money has a way of influencing conventional wisdom, and Big Money doesn’t want Mayweather to fight Pacquiao, ever. If Pacquiao doesn’t do well November 11 against Brandon Rios, who’s never competed as a welterweight, I’d have to agree that his standing would be pretty well shot.