A force double play occurs when both of the outs are force plays.
A reverse force double play occurs when the first out is a result of a force play, while the second out is made on
a runner who must be tagged out as a result of the first out.
Example: a batter grounds to the first baseman who steps on first
base (force out) then throws to second base for the second out (tag play).
The scorer's notation for a double play is DP.
double play
A double play occurs when two players of the batting team are put out during the same play as a result of continuous action by the defense.
A double play does not occur if there is an error between the outs.
