Another Obstruction question.

[gdc25]

again, Adult Male, Slow Pitch.

I was observing a very neat game where a group of season veterans (Dads) were playing a group of fairly new players (Sons). They just happened to meet in the same tournament.

Runners on 2b and 3b. Fly ball to CF. about 5 seconds before the ball is caught the pitcher yells "GO" to the poor kid on 2b who takes off before the ball is caught. What is the ruling on this?


(I was beginning to feel sorry for this kid as during the previous 1/2 inning he was coaching 3b and all but tackled his runner causing the 3rd out of the inning.)