By Alek Arend This offseason has been nothing short of crazy. Randy Gregory’s flip from the Dallas Cowboys to the Denver Broncos is near the top of all the NFL madness. Gregory appeared to be a lock to return to the Cowboys. He reportedly agreed to terms on a contract, but had a last-minute change of heart. The star pass rusher wound up signing with the Denver Broncos. His contract with the AFC West organization is almost identical with the one he had agreed to with the Cowboys. Demarcus Lawrence is still shocked Gregory changed his mind and left Dallas behind. “It was a shock to me,” Lawrence…