The Rays optioned Waguespack to Triple-A Durham on Saturday.
Waguespack came away with a no-decision in Friday's 2-1 win over the Giants, allowing one unearned run on four hits and two walks over four innings. He struck out four.
Waguespack will open the season in a long-relief role for the Rays, Marc Topkin of the Tampa Bay Times reports.
Waguespack threw only two innings in Monday's Grapefruit League game against the Phillies, an indication he may be headed for a relief role to begin the season, Marc Topkin of the Tampa Bay Times reports.
The Rays selected Waguespack's contract from Triple-A Durham on Friday, Marc Topkin of the Tampa Bay Times reports.
Waguespack is one of the candidates for the Rays' rotation while Taj Bradley (pectoral) is sidelined, Marc Topkin of the Tampa Bay Times reports.
Waguespack signed a minor-league contract with the Rays on Monday.