Changes have continued to take place for the Washington Nationals and their pitching staff in the early going of this season. With both the rotation and bullpen struggling, president of baseball operations Paul Toboni and manager Blake Butera have searched for answers that will give them at least a competent unit. That has resulted in some roster shuffling to start the campaign, as some arms have been demoted while others in the minors have been given a shot in the bigs . Ahead of Sunday's finale against the Chicago White Sox, another bullpen shuffle took place for the Nationals. However, this time, it was partly due to an injury that took place. Nationals Place Clayton Beeter on Injured List Washington Nationals pitcher Clayton Beeter | Daniel Kucin Jr.-Imagn Images In total, Washington made four roster moves. Following Saturday's contest, they announced that Andres Chaparro was sent back down to Triple-A Rochester.…