Runner at 1st doesn't make it back to 1st in time. Offensive coach appeals double play call saying runner returns to 1st after the interference call is made. Runner on 1st. Batter hits popup down 1st base line. Runner leaves on contact towards 2nd base.
Pitcher holds onto ball.
Homeplate umpire calls interference Runner at 1st realizes ball is caught and runs back to 1st. Pitcher throws back to 1st for apparent double play. Runner at 1st doesn't make it back to 1st in time. Offensive coach appeals double play call saying runner returns to 1st after the interference call is made.