To clear room on their roster for rookie pitcher Joe Ross, the Nationals made a pair of roster moves on Saturday in sending A.J.
It was cause for concern in April, but then cause for comfort in May. What, then, will the Nationals' bullpen cause in June: Soothing relief or heartburn?
Tanner Roark's MLB career has so far been an unlikely success story filled with very few failures for a guy who just a year before he debuted in 2013 lost 17 games at the Triple-A level.
Craig Stammen has needed surgery on his throwing arm only once before — Sept.
[Updated 4:55 p.m.]