Roller Hockey International vs. National Hockey League RHI NHL Number of Players on Surface at Full Strength Five Six Minimum Number of Players after Penalties Three Four Number of Players 14 20 /Game 2 Goalies 2 Goalies 12 Skaters 18 Skaters Penalty Time Minor 1 1/2 min 2 min Major 4 min 5 min Misconduct 10 min 10 min Fighting Penalty Major Major suspension from remainder of game plus next game Two Line Passes Only one Yes Illegal Center Line No Blue Lines Referee System 1 Referee 1 Referee 2 Linesmen 2 Linesmen Playing Surface Size 200' x 85' 200' x 85' Surface Concrete or Ice SPORTCOURT® Board to Goal Line 15 Feet 11 Feet Goal Cages 4' x 6' 4' x 6' Puck Red Plastic Black Rubber 3 1/2 Ounces 5 1/2 - 6 Ounces Average Goals/Game 16.7 7 Average Shots/Game 96 60 Length of Game 4 12-Minute 3 20-Minute Quarters Periods Overtime Shoot-out 5 minute (Regular Season) Sudden Death (Playoffs)