Conor McGregor will go down 'just as quickly' in a rematch, Joseph Duffy believes

As UFC interim featherweight champion Conor McGregor prattled away during last month's "Go Big" press conference in Las Vegas, he earned the ire of nearly everyone on the stage.
And yet, the one fighter in attendance at the MGM Grand who could have potentially shut McGregor up in short order choose instead to keep his mouth shut.
Joseph Duffy has done what many in the UFC have dreamt of: Finishing McGregor in short order and sending him on his way.
Duffy needed just 38 seconds to submit McGregor