Keep track of player substitutions for the team you are managing.
Features:
-Show the time each player has been active.
-Notify when it is time to do a substitution.
-Manually override a suggested substitution - "drag and drop".
-Undo a player substitution.
-Show the log of substitutions - during and after the match.
-Archive a completed match.
-Share the details of a match on email.
-Support for "arbitrary" number of players on field, number of substitutes and substitution intervals.
-Remove a player from the match at any time.
-Add a new player to an active match.