Nationals place RHP Harvey on IL with elbow strain, claim RHP Munoz from Braves

Harvey placed on 15-day IL retroactive to Sunday with right elbow strain
Nationals claim RHP Munoz off waivers from Braves, option him to Triple-A
Corbin returns from paternity leave, La Sorsa recalled from Triple-A
Adon optioned to Triple-A, Ruiz goes 3-for-3 with HR and double in win over Cubs
Munoz, 23, ranked No. 22 prospect in Braves' farm system but yet to debut in majors