Bernardino struck out two over 1.1 scoreless innings in Friday's 7-0 loss to the Angels.
Bernardino was recalled from Triple-A Worcester on Tuesday, Gabrielle Starr of the Boston Herald reports.
Bernardino allowed one hit over one scoreless inning in Saturday's spring game against Washington.
The Red Sox reinstated Bernardino (illness) from the COVID-19-related injured list Sunday, Christopher Smith of The Springfield Republican reports.
Bernardino (COVID-19) was activated Saturday in Kansas City, Pete Abraham of The Boston Globe reports.
The Red Sox placed Bernardino on the COVID-19-related injured list Sunday, Ian Browne of MLB.com reports.
Bernardino will serve as the Red Sox's opening pitcher for Sunday's game against the Mets at Fenway Park, Christopher Smith of The Springfield Republican reports.
Bernardino will serve as the opener for the Red Sox on Tuesday against the Rangers, Ian Browne of MLB.com reports.
Bernadino will remain on the roster after serving as the 27th man for the Red Sox for Saturday's doubleheader against the Rays, Ian Browne of MLB.com reports.
Bernardino was called up to serve as the 27th man for Saturday's doubleheader against Tampa Bay.