Zajac was born on August 1, 1992, in Winnipeg, Manitoba,[1] as the youngest son to parents Tom and Trish Zajac. His older brothers Travis, Kelly, and Darcy are all professional ice hockey players.[2] His father Tom also played collegiate hockey for the University of Denver.[3] Growing up, Zajac wanted to play goaltender but was encouraged to become a defenceman by his older brothers.[4] When reflecting on his childhood, he credited his family for his success.[5]
Playing career
Growing up in Manitoba, Zajac played minor ice hockey with the Winnipeg Thrashers of the Manitoba AAA Midget Hockey League.[6] While with the team, he competed in the 2009 Telus Cup where he was the top scorer.[7] He also competed with Team Canada West at the 2009 World U-17 Hockey Challenge.[8] As a result of his play, Zajac was drafted 12th overall by the Cedar Rapids RoughRiders in the 2009 United States Hockey League (USHL) Draft.[9][10] He played 101 games with the RoughRiders, recording 42 points, before being traded to the Omaha Lancers in exchange for Nathan Widman.[11] Upon joining the Lancers, Zajac was selected for the 2011 USHL Mid-Season All-Star Team.[12] Zajac completed his tenure in the USHL with 80 points in 154 games.[1]
Zajac completed his first professional season fifth among all ECHL defenders in scoring with 54 points. He also appeared in 11 American Hockey League (AHL) contests with the Iowa Wild, Hershey Bears, and Manitoba Moose. On August 4, 2017, he signed his first AHL contract with the Lehigh Valley Phantoms of the Philadelphia Flyers organization.[13] While playing with the Reading Royals, Zajac was selected for the 2017–18 All-ECHL Second Team after ending the season tied for second among league blue liners.[14]