Both contracts are two-way deals worth $525,000 at the NHL level.
Zatkoff, 25, played the last four years in the Los Angeles Kings organization after being drafted by the Kings in the third round (74th overall) of the 2006 NHL Draft. Last year, Zatkoff posted a 21-17-1 record, 2.49 goals-against average and a .920 save percentage in 44 regular-season games with the Manchester Monarchs of the American Hockey League (AHL), earning him an AHL All-Star Game berth.
A native of Detroit, Mich., Zatkoff has appeared in 114 career AHL games with Manchester, going 52-45-6 while posting a 2.64 GAA, a .915 save percentage and eight shutouts.
Holzapfel, 23, split the 2011-12 season between the St. John’s IceCaps and Syracuse Crunch of the AHL, tallying 16 goals and 37 points in 57 games. He added one assist in four postseason games with Syracuse.
Originally drafted by the Atlanta Thrashers in the second round (43rd overall) of the 2006 NHL Draft, Holzapfel has appeared in 259 career AHL games, tallying 48 goals, 71 assists and 119 points. He has added four assists in 18 postseason contests.