Samuel Basallo's bases-loaded single with no outs in the 11th inning drove in the winning run and the Baltimore Orioles topped the visiting Pittsburgh Pirates 3-2 on Tuesday night in the opener of a three-game series.
Jeremiah Jackson homered in the sixth inning for the Orioles. Dietrich Enns (3-2) pitched two shutout innings for the victory.
Pittsburgh's Tommy Pham hit a tying home run in the ninth. Dauri Moreta (1-1) took the loss.
The Orioles (67-77) have won six of their last seven games, including Friday night against the Los Angeles Dodgers on Basallo's walk-off homer. Pittsburgh (64-81) has lost four straight.
Leadoff batter Jackson Holliday joined Jackson with two hits in the first two spots in Baltimore's batting order.
Baltimore starter Kyle Bradish, who underwent Tommy John