Before wrapping up their five-game series against the Orioles at Fenway Park on Monday night, the Red Sox placed left-handed reliever Matt Strahm on the COVID-19 related injured list.

In a corresponding move, right-handed reliever Hirokazu Sawamura was recalled from Triple-A Worcester, the team announced.

At this time, it is not yet clear if Strahm has tested positive for COVID-19 or is simply experiencing virus-like symptoms. Through 18 relief appearances this season, the 30-year-old southpaw has posted a 3.68 ERA and 1.77 FIP with 16 strikeouts to three walks over 14 2/3 innings of work.

Sawamura, meanwhile, returns from Worcester after being optioned there on Saturday. Unsurprisingly, the Japanese-born righty did not get into a game with the WooSox. This season with the big-league club, he has produced a 3.60 ERA and 3.47 FIP to go along with 13 strikeouts to six walks across 18 appearances spanning 15 innings pitched.

Following Monday’s roster move, the Red Sox will now be without Strahm and Hansel Robles (on the 10-day injured list due to back spasms) for the time being. Alex Cora’s bullpen currently consists of the likes of Sawamura, Matt Barnes, Jake Diekman, Austin Davis, John Schreiber, Tyler Danish, Ryan Brasier and Phillips Valdez. Tanner Houck could be included there, too, but he is not available to pitch on Monday, per Cora.

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