Bob Arum optimistic on Mayweather v Pacquiao II, eyes second biggest PPV of all time

Top Rank boss Bob Arum believes star fighter Manny Pacquiao is in a better position than in 2015 to inflict a first loss on Floyd Mayweather Jr. Rumours are rife that Mayweather is on the verge of confirming his comeback after a ringside appearance at Pacquiao's recent victory and Arum remains hopeful a rematch deal can be done. ?I haven?t spoken to Mayweather yet, but he was at the fight and seemed to enjoy it so I?m optimistic about it,? Arum told TMZ Sports. ?I?d have to say it?s more favoura…