Jim Palmer broke a personal three-game losing streak tonight as the Baltimore Orioles defeated the Oakland A's, 4-2.

The three-time Cy Young Award winner went 8 1/3 innings before 21,208 fans at the Oakland Coliseum and picked up his first victory since May 25. This was his third outing since the end of the baseball strike, raising his record to 4-5.He has had only one losing season in 15 years.

Palmer breezed into the ninth with a 4-1 bulge before Tony Armas led off with a blast over the left field fence. Palmer then got Cliff Johnson on a topper back to the mound. Jim Spencer followed with an infield single and Baltimore Manager Earl Weaver replaced Palmer with Tim Stoddard, who got the final two outs on two pitches to earn his fifth save.

Al Bumbry led the 10-hit Baltimore attack with two hits, three walks, a stolen base and two runs scored. Catcher Rich Dempsey doubled, tripled and was hit under his left arm with a Tom Underwood delivery in the top of the ninth. He tried to charge the mound but was restrained by umpire Dallas Parks and Oriole coach Ray Miller.

John Lowenstein chased A's starter Brian Kingman with a double in the third inning that gave Palmer a 4-0 lead.

It was also Lowenstein's second RBI. He brought Ken Singleton home from third in the first inning with a single and was thrown out trying to stretch it into a double. Lowenstein was the second Oriole tagged out on the basepaths in the inning.

The other was Rich Dauer, who doubled Bumbry to third, and moved to third himself on the wild pitch that gave the Orioles their first run. Singleton then grounded to second baseman Dave McKay, who tried to look Dauer back to third. Dauer wouldn't go back, freezing in the basepath.