No, not during a game, but players has died from injuries suffered on ice.
There is no real answer for this question. Some hockey players MAY gain weight depending on ice time as a result of muscle gain. Although , highly unlikely. But there is no specific amount of weight a hockey player would lose during an NHL hockey game.
There are twelve players on the ice at once during a hockey game. There are six players per side, including the goaltender.
I'm pretty sure there can be as many substitutions as you want in the game.
Players fighting in Olympic hockey receive a match penalty and are ejected from the game.
22- 11 on each team. 10 field players and 1 goalie.
sixteen - twelve players and four officials
Professional hockey players generally spend almost every day playing hockey in some capacity. Even when they are not scheduled to play a game, regular practice sessions are required by the NHL that start in the morning and last at least an hour. Hockey players will also spend significant parts of the day performing strength training.
5 skaters and 1 goaltender.
5 players on each team plus 1 goalie for each team so 12