What occurs if F2 is juggling the ball while blocking home plate?

When F2 is juggling the ball while blocking home plate, the act falls under the concept of obstruction if R3 is attempting to score. In this scenario, R3 is legally advancing home when they encounter the blocked path due to F2's actions. Since F2 does not have possession of the ball firmly and is interfering with R3's attempt to score, it creates a scenario where an obstruction is called. R3 is awarded home plate as a result, which means they are allowed to score despite any rules regarding interference or obstruction.

This understanding hinges on the rules regarding players' positions and the need for fielders to have control of the ball to prevent obstruction from being called. In this case, F2's juggling indicates a lack of possession, making obstruction applicable.