SAN DIEGO — Manny Machado homered in the first inning and hit a go-ahead sacrifice fly in a four-run seventh for the San Diego Padres, who rallied past the Pittsburgh Pirates 6-4 on Sunday to take two of three games in their series.

Andrew McCutchen hit a two-run shot to tie Roberto Clemente for third place on Pittsburgh’s career list with 240 homers. Adam Frazier also went deep to give the Pirates a 4-1 lead in the fourth. Gavin Sheets slammed face-first into the wall while tracking Frazier’s homer and left the game.

The Padres started their comeback in the sixth when Jackson Merrill’s second double of the game brought in three-time batting champion Luis Arraez, who was aboard on a one-out double.

San Diego broke through against reliever Tanner Rainey (0-1), who came on to start the se

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