Suarez had his contract selected from Triple-A Norfolk on Thursday.
Suarez will join the major-league roster ahead of the team's final series of the regular season beginning Friday in the Bronx. Suarez has produced a 4.12 ERA and 1.25 WHIP with 41 strikeouts over 59 innings in 27 appearances with Baltimore this season. Right-handed pitcher Trey Gibson was optioned to the team's Spring Training Complex in a corresponding move.