According to Jon Morosi of MLB Network, the Nationals are prepared to pursue Athletics right-hander Sonny Gray if Stephen Strasburg's forearm issue lingers.
Melky Cabrera (foot) went 1-for-5 with a single and a run scored in his return to action Monday against the Cubs.
Ryon Healy (head) went 1-for-4 with an RBI single in his return to action Monday against the Blue Jays.
Buster Posey finished 2-for-5 with a pair of RBI in Monday's loss against Pittsburgh.
Matt Cain was hammered for six runs - two earned - and six hits with a walk and just one strikeout over four innings in a loss against the Pirates on Monday.
Josh Bell posted a pair of singles, a double, a run scored and an RBI in Monday's game in San Francisco.
Andrew McCutchen belted a three-run home run off of San Francisco's Matt Cain in the second inning of Monday's game, and he finished with four RBI.
Jordy Mercer finished 3-for-5 with a three-run home run in Monday's game in San Francisco.