Watch key moments from league win
Pompey continued their impressive away form with a 1-0 victory over Grimsby.They dominated possession, but had to wait until the 86th minute before grabbing the winner at Blundell Park.
Substitute Kal Naismith curled a fine free-kick into the net after Carl Baker had been upended.
Watch key moments from the game below or subscribe to Pompey PlayerHD for extended highlights.