Nationals recalled RHP Ryan Mattheus from Triple-A Syracuse.
Nationals optioned RHP Ryan Mattheus to Triple-A Syracuse.
Ryan Mattheus will be called up from Triple-A Syracuse on Tuesday.
Nationals manager Matt Williams confirmed Thursday that Ryan Mattheus (chest) will not be ready for the start of the season.
Ryan Mattheus (chest) will make his first appearance of the spring on Thursday.
Ryan Mattheus (chest) threw to hitters Monday for the first time this spring.
Ryan Mattheus (chest) will throw live batting practice Monday.
Ryan Mattheus (chest) was cleared to resume throwing after a checkup with Nationals trainers Tuesday.
Ryan Mattheus (chest) has yet to be cleared to resume throwing.
Ryan Mattheus said Tuesday that he's dealing with costochondritis, which is inflammation of a tendon in his chest.