O’s done in by a pair of A’s second basemen

9/5 - Oakland Coliseum
A's 8, O's 5
Jim Palmer vs Vida Blue
Call this the Jerry Lumpe show.  The A's lefty swinging second sacker went 4 for 4 with 2 RBI and 3 runs scored.  Lumpe would wind up a homer shy of the cycle as the A's, who were down 2-1 broke the game open with a huge 5 run bottom of the 3rd.  Baltimore would dominate with the long ball as both Chris Hoiles and Bobby Grich went deep, but Oakland was able to hold on as Vida Blue gave way to setup man Rollie Fingers and then closer Dennis Eckersley who notched his 8th save.

9/6 - Double header - Memorial Stadium
A's 6, O's 4
Blue Moon Odom vs Scotty McGregor
Jose Canseco's RBI single scored Rickey Henderson to give the A's  a quick 1-0 lead in the top of the 1st.  Vi Power's 1 out single in the 3rd scored Bert Campaneris to make it 2-0.  That would all be erased in the bottom of the inning thanks to a throwing error by Campaneris with 2 out that allowed Eddie Murrary to reach first.  Boog Powell would then take Blue Moon Odom deep into the night for an Earl Weaver special (a 3 run homer) to make it 3-2.  Oakland did not quit and regained the lead with solo runs in both the 5th and 6th innings.  Ken Singleton's RBI single in the bottom  of the 8th tied it back up at 4-4 as Cal Ripken Jr. easily scored off of reliever Rollie Fingers.  Sal Bando would lead off the 9th with a tape measure shot off of a Hoyt Wilhem knuckleball that still hasn't knuckled.  Oakland would add an insurance run manufactured purely by the feet of Bert Campaneris, who turned a single into a couple of stole bases, including the rare theft of home.  Eckersley came on in the 9th to close it out for his 9th save.

9/6 - Game 2
A's 10, O's 3
Dave Stewart vs Dave McNally
Smoke and McNally were both teetering on the edge until the A's blew it open with a rare 1-2-3-4 run tally in successive innings.  McNally would hit the showers after 5 and his replacement, Dennis Martinez wasn't much better.  Oakland would hit 5 homers on the day and beat Baltimore at their own game.  The crushing blow was a 3 run shot by Dick Green, which immediately forced the Orioles bench to confiscate all sharp objects in the near reach of their manager Martin King.  Baltimore's team batting average fell to .242, while their team ERA rose to 5.57.  By sweeping the O's Oakland rebounded nicely from being swept in their previous series by the Tigers.