The left-handed pitcher is trying to build confidence in his secondary pitches this spring.
Also, Jordan Zimmermann fired three scoreless innings in his second start of the spring.
The infielder is competing for the second base job but is 0 for 10 through his first four games.
Zimmerman has been taking grounders at first in preparation for possible playing time at first during spring and regular season.
After Danny Espinosa narrowly missed a bigger pay day last season, the Nationals gave him a small, good-faith raise.
Though he's competing to start at second base, Danny Espinosa spent most of the Nationals' first practice at shortstop.
While opening competition for second base, Matt Williams has connected with embattled infielder Danny Espinosa.
After a broken wrist was misdiagnosed last year, Danny Espinosa believes he will earn back his starting job this season.
The Nationals are determined to not sell low on Danny Espinosa, who they believe will be their backup infielder.
Nationals General Manager Mike Rizzo is coy about Cano but says Anthony Rendon will open spring training as starting second baseman.