By Alek Arend On Friday, a controversial decision on Amari Cooper sent Dallas Cowboys fans into a frenzy. So much so, fans have since taken to Twitter blasting Jerry Jones for his decisions as the team’s owner. “Jerry Jones is actually one of the worst GM’s in NFL history. Change my mind…,” a fan tweeted. “Jerry Jones signing Zeke to that huge contract is probably going to go down as the worst move he ever made as an Owner/GM for the Cowboys,” one fan said. “@dallascowboys Jerry Jones is the worst excuse for a GM in the history of the NFL,” a fan said. “The Cowboys will NEVER win anything as l…