Rugby Basics COMMONLY USED TERMS Football to Rugby Kickoff and Kick receive Offside Rules Positions 15s Backs Centers 12-13 Fly half (10) Outside backs – 11, 14, 15 Scrum Halves – 9 Forwards 4 and 5 Lock-Second Row Hooker – 2 Loose forwards 6-7-8 Props 1,3 Principles of the game Rugby 7s Rugby Rules Set piece Lineout Scrum