This article was originally published on www.si.com/fannation/boxing as Popular Knockout Artist Vows To Flatline Manny Pacquiao ‘Like Juan Manuel Marquez'.

Manny Pacquiao's return, Oleksandr Usyk's dominance and Jesse "Bam" Rodriguez's reign of terror headlined a jam-packed fight weekend. Pacquiao, 46, ended a four-year retirement on Saturday night and ...