The Maple Leafs have assigned defenseman Keith Aulie to the Toronto Marlies of the American Hockey League. Aulie, 22, has collected two assists and 16 penalty minutes in 17 games with the Maple Leafs this season. The 6-6, 217-pound native of Rouleau, Saskatchewan, has also appeared in 20 games with the Marlies in 2011-12, registering one assist and 28 penalty minutes.