The Nationals recalled Varland from Triple-A Rochester on Tuesday, Grant Paulsen of 106.7 The Fan reports.
Varland has collected six saves while posting a 6.25 ERA, 1.77 WHIP and 30:15 K:BB over 31.2 innings during his time with the Nationals this season. He's absorbing the roster spot vacated by Andrew Alvarez, who was optioned following Monday's contest versus the Blue Jays.