He was again named an AL All-Star one last time in . However, tendinitis in his elbow prevented him from appearing in the game, and also kept him out of the 1966 World Series as the Orioles swept the defending champion Los Angeles Dodgers in four games for the first title in franchise history. On April 30, 1967, Barber was removed from a game against the Detroit Tigers with two outs in the ninth inning after having given up two runs despite having not surrendered a hit; Stu Miller got the final out to complete the no-hitter, although the Orioles lost 2–1.
He was again named an AL All-Star one last time in . However, tendinitis in his elbow prevented him from appearing in the game, and also kept him out of the 1966 World Series as the Orioles swept the defending champion Los Angeles Dodgers in four games for the first title in franchise history. On April 30, 1967, Barber was removed from a game against the Detroit Tigers with two outs in the ninth inning after having given up two runs despite having not surrendered a hit; Stu Miller got the final out to complete the no-hitter, although the Orioles lost 2–1.