Leighton, 36, is 37-43-4 with 10 ties, a 2.98 goals-against average and .900 save percentage in 110 NHL games (53 starts) with the Chicago Blackhawks, Nashville Predators, Philadelphia Flyers and Carolina Hurricanes. He was 2-2-0 with a 3.43 GAA and .870 save percentage in four games with Carolina last season. Leighton has spent this season in the American Hockey League and will report to Wilkes-Barre/Scranton.
He has played seven NHL games since 2009-10, when he was 8-3 with a 2.46 GAA and .916 save percentage in the Stanley Cup Playoffs, helping the Flyers advance to the Cup Final, where they lost to the Chicago Blackhawks.
Archibald, 25, has no points in three games for the Penguins this season. He had three goals in 10 games with Pittsburgh last season and was scoreless in four games during the Stanley Cup Playoffs. The three goals are his only points in 14 NHL games. He was Pittsburgh's sixth-round pick (No. 174) in the 2011 NHL Draft.
Maguire, 24, was Pittsburgh's fourth-round pick (No. 113) in the 2012 NHL Draft and signed with the Penguins on April 6, 2016, after playing four seasons at Boston University. He has split the past two seasons between Wilkes-Barre/Scranton and Wheeling of the ECHL.