Testing out a list of standings:

 

National League		American League		Other League
Year	Champion	Year	Champion	Year	Champion
1947-48	xxx	1947-48	xxx	1947-48	xxx
1948-49	xxx	1948-49	xxx	1948-49	xxx
1949-50	xxx	1949-50	xxx	1949-50	xxx

With links to various posts…