Based on size and maturity, many believe Jakob Chychrun (6-foot-2, 200 pounds) of Sarnia and Mikhail Sergachev (6-2, 221) of Windsor are the two capable of earning NHL roster spots for the 2016-17 season.
Chychrun, named to the Ontario Hockey League All-Rookie Team in 2014-15, is No. 4 on NHL Central Scouting's final ranking of North American skaters. Sergachev, named the 2015-16 OHL Most Outstanding Defenseman, is No. 8.
"There's no predicting the order of the top four or five [defensemen] of this draft class," NHL Director of Central Scouting Dan Marr said. "They're all good. They're all different in their own way.