The 6-foot-4, 190-pound left winger had 25 goals and 18 assists in 59 games with the Niagara IceDogs of the Ontario Hockey League last season. The left-handed shot previously scored eight goals and 22 points in 64 games during the 2013-14 season with Niagara. He also scored a goal and notched three assists in five appearances with Canada's U-18 team at the U-18 World Junior Championships.
Knott returns to Niagara for the 2015-16 season, which is set begin Friday at Sudbury.
Chicago's camp roster is now at 58 players with 32 forwards, 21 defensemen and five goaltenders.