1. Cricket Pitch
2. In cricket, ball tampering is an action in which a fielder illegally alters the condition of the ball. The primary motive is to interfere with the aerodynamics of the ball. Few ways of ball tampering are rubbing the ball on the ground, applying gum on it etc.
3. A substitute is a replacement player that the umpire allows when a player has been injured or become ill after the nomination of the players at the start of the game.