Ryan Lomberg scored the Phantoms' second short-handed goal of the game.
The Lumberjacks have scored twice in the second period for a 4-2 lead.
Kyle Connor and Josh Melnick have scored the Phantoms' goals.
Sources say Kevin Cylar, who has led Liberty two back-to-back playoff appearances, could be on the way out.
Sunday's scores at a glance
Saturday's scores at a glance
Friday's scores at a glance
Thursday's scores at a glance
The Warren JFK graduate shot a 5-under 67 in the first round of the Arnold Palmer Invitational and was the early clubhouse leader.
Ursuline and Warren JFK advanced. McDonald and Springfield were eliminated.