It's tough. 2012 had two brutal knockouts of khan and pac, each of whom were the favorite in their respective fight. Pac had gotten robbed badly as well. And Other than that epic last round, chavez jr took a beating.
2015, his fighters lost the two biggest fights of the year. Pac had an extremely lackluster performance and blamed it on injury in the fight of the century. Cotto put up a decent effort but clearly lost.
I'd say 2012 was worse though. At least postol had a great performance this year to kinda make up for it. Two fighters getting ktfo, one getting robbed and another getting white washed is pretty rough.
totally forgot about pac bradley 1 taking place in 2012, going to add that to the list
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