After shutting down the AL West-leading Mariners during the week, the Orioles head to Oakland to take on the last-place Athletics. This series marks the end of an era, as the A’s pending move to Sacramento next season means this is the last time the Orioles will play in Oakland Coliseum. Dating back to the A’s first season in Oakland in 1968, the Orioles are 144-146 in the Coliseum. Perhaps the Orioles’ fondest memories in Oakland came back in 1970, when Jim Palmer pitched a complete game to finish off a three-game sweep in the ALCS. Should the O’s achieve another sweep this weekend, they’ll close their account in Oakland with a winning record.