The Nationals placed Thompson (elbow) on the 60-day injured list Sunday.

Thompson will undergo Tommy John surgery on his right elbow Friday, Mark Zuckerman of MASNSports.com reports.

Thompson will have his elbow re-evaluated early this week, Mark Zuckerman of MASN Sports reports.

The Nationals announced Wednesday that Thompson is dealing with an elbow injury and will be shut down from throwing for at least the next two weeks, Mark Zuckerman of MASNSports.com reports.

Washington optioned Thompson to Triple-A Rochester on Wednesday.

Thompson (knee) was reinstated from the 15-day injured list Sunday, Andrew Golden of The Washington Post reports.

Thompson (knee) will head to Double-A Harrisburg later this week to begin a rehab assignment, Andrew Golden of The Washington Post reports.

Thompson (knee) threw 25 pitches in a simulated appearance Tuesday, Andrew Golden of The Washington Post reports.

Thompson was placed on the 15-day injured list Saturday with a left knee contusion, Mark Zuckerman of MASNSports.com reports.

Thompson gave up two hits and struck out one in 1.1 scoreless innings to record his ninth hold of the season in Monday's win over the Cubs.