Barrett`s bullpen session another step to D.C.
(MLB.com Washington Nationals)

It`s been more than three seasons since Aaron Barrett stepped on the mound for the Washington Nationals, robbed of so much of a once-promising career by a litany of injuries: Tommy John surgery in September 2015, another surgery later that year to remove bone spurs in his left ankle and then surgery to repair a fractured elbow in `16.