American League Championship Series appearances since LCS play began in 1969 Rank Team Total App. 1. Yankees 13 2. Athletics 11 3. Red Sox 9 4. Orioles 9 5. Angels 6 6. Royals 6 7. Twins 5 8. Blue Jays 5 9. Tigers 4 10. Indians 4 11. White Sox 3 12. Mariners 3 13. [...]