GAA

The Sliotar (Ball) - Rule 4.4(i): The diameter of the sliotar, not including the rim (rib), shall be between 69mm and 72mm. Its mass shall be between 110 and 116 grams.

Field Markings - Rule 1.2: At distances of 13m, 20m, 45m, and 65m (the hurling-specific distance line) from each endline, lines are marked across the field parallel to the endline, with their intersections with the sidelines marked by flags. A 10m...

Team Composition - Rule 2.1-2.2: A team consists of fifteen players, a goalkeeper and fourteen outfield players (a Council or Committee in charge may reduce outfield players to a number not below eleven). A team may commence a game with thirteen p...

The Play - Rule 1: The ball is in play once thrown in or pucked to start or restart play, and remains in play until the Referee signals a stop, the ball passes completely over a boundary line or strikes a boundary flag, or is prevented from crossi...

Rule 3.1: A goal is scored when the ball is played over the goal-line, between the posts and under the crossbar, by either team. A point is scored when the ball is played over the crossbar, between the posts, by either team.

Technical Fouls - Rule 4: These cover ball-handling infringements such as overcarrying or overholding the ball (4.1), throwing the ball or handpassing it without a definite striking action (4.2), lifting the ball off the ground with the knees (4.3...

Mandatory Head Protection - Rule 4.2(i): Every player must wear a helmet with a facial guard meeting the IS:355 standard (or its NSAI-determined replacement) in all Hurling Games and Hurling Practice Sessions, and the helmet must not be modified f...