The website below gives you plenty of players who wore the #1 in the NHL. Click on the related link.
None The Lowest Legal Number is No.1 Outfielders Can Also Wear The No.1 Shirt
1 of 5,000 players will make it more than 5 years at the NHL level.
I only know of one: Lou Whitaker
Nick Young - Washington Wizards
Only 1% of the kids who play hockey will ever play in the NHL.
In August 1979, then president of the National Hockey League (NHL), John Ziegler, announced that protective helmets would become mandatory in the NHL. "The introduction of the helmet rule will be an additional safety factor," he said. The only exception to the rule are players -- after signing a waiver form -- who signed pro contracts prior to 1 June 1979.
The last person to wear No.1 was Ramzee Robinson. He graduated in '06.
Depending on their position, players in the NFL can wear numbers ranging from 1 to 99. The NFL no longer allows 0 or 00 to be used by players.
There have been 141 players from the NBA and ABA who have worn jersey number 1. Some current players wearing number 1 are Trevor Ariza, Chauncey Billups, Baron Davis, Derrick Rose, and Amare Stoudemire.