According to Orioles interim manager Tony Masolino, Westburg (hamstring) is trending toward a return Tuesday, Jake Rill of MLB.com reports.
Westburg landed on the injured list April 28 and began a minor-league rehab assignment May 26. He's been on fire with Triple-A Norfolk, slashing .360/.429/.760 with two homers and five RBI over seven games. Ramon Urias has been Baltimore's primary third baseman while Westburg has been sidelined.