Baserunning Rules (P2.11) 

a)      In Minor Mosquito and Mosquito, base runners cannot leave the base until the ball leaves the pitcher’s hand.  If an infraction occurs, the ball will be declared dead and runners may not advance. 1 warning will be issued and for any further infractions thereafter, the runner will be called out.  (Each team to receive 1 warning). 

b)      In Minor Mosquito and Mosquito, if a runner is removed by reason of injury or official ejection from the game, the player last put out shall act as pinch runner for the removed player. By virtue of the rule there shall be no pinch runners allowed.