They haven't taken an L like Pacquiao has....I explained it.
Pacquiao lost by a wide margin to Floyd Mayweather and has bounced back with wins over Jessie Vargas and a cashing out Timothy Bradley.....that's not enough to make him in my Top 5 over:
Andre Ward
Sergey Kovalev, who's only loss was a controversial one to the #1 Boxer today
Guillermo Rigondeaux, who has people blatantly avoiding him ever since his skillful domination of Donaire/Agbeko, most blatant of all being Carl Frampton, and the organizations won't force a mandatory on his behalf which allows everyone to face everyone but him. I'm not gonna punish HIM for others being scared to face him breh....sorry
Mikey Garcia who's dominated and stopped every good fighter he's faced and is still undefeated with great skill....never coming even close to defeat. Came back off a 2 year layoff, had a tuneup, and KOd an undefeated Champion in only his 2nd fight back.
Vasyl Lomachenko, who's also extremely skilled and has dominated every fighter in his path but Salido....and that was even a close loss on the cards, in only his 2nd fight, to someone who was much larger. Loma has also improved greatly since then, moving up divisions, kicking ass, taking names, and taking belts
I think all 5 of em, at the same weight, beat Pacquiao, and I think all 5 have been more dominant, against better competition, and none of them have taken as bad of a loss as Pacquiao has recently either.