There could be a few players currently on the roster who are not part of the future ownership's plans. What we can talk about is the players who might not make it to the end of the season. Here are three Nats' players whose opportunities at the Major League level could come to an end soon. Mitchell ParkerMitchell Parker, a 25-year-old left-handed pitcher, has regressed mightily since the beginning of the season. It doesn't seem likely that Young will be removed from the roster this season, but for next season, he hasn't guaranteed himself a spot.