The Washington Nationals announced the following roster moves on Friday. Nationals President of Baseball Operations and General Manager Mike Rizzo made the announcements.

· Recalled right-handed pitcher Hunter Harvey from Triple-A Rochester

· Returned from rehabilitation assignment and reinstated right-handed pitcher Victor Arano from the 15-day Injured list

· Placed right-handed pitcher Tyler Clippard on the 15-day Injured List with a groin strain (retroactive to July 19)

Harvey, 27, joins the active roster for the third time this season. He has pitched in seven games, allowing two earned runs on three hits with seven strikeouts in 5.2 innings. Six of Harvey’s seven outings were scoreless. He did not allow a baserunner in his first two outings after returning from the Injured List on July 12.

Arano, 27, returns after being placed on the Injured List on June 6 with left knee inflammation. Before he was placed on the IL, Arano posted a 5.01 ERA in 24 games for Washington this season. He allowed one baserunner (hit by pitch) in three rehab outings (3.0 IP) with Triple-A Rochester before returning to the Nationals.

Clippard pitched in one game for Washington this season, tossing 2.0 scoreless innings on July 14 vs. Atlanta.