Arrieta has a rough outing as the O's bring their losing streak to four.
A walk-off homer by Adam Jones puts Baltimore over the Royals to get the third straight win.
With one swing of the bat, Vladimir Guerrero got the team the victory and the series.
Sabathia dominated Oriole bats, taking advantage of his great run support.
Despite timely hitting, the bullpen allows Baltimore to drop the opener in Kansas City
Baltimore couldn't complete the sweep as the offense went quiet as pitching felt the heat of Boston bats.
Baltimore got three of their four runs off the sac fly to lift the Birds over Boston in the series opener.
Jeremy Guthrie had a quality start but the bats did not come through for him to get the win.