<Li> West Division (2013--present) </Li> <Li> National League (1962--2012) <Ul> <Li> Central Division (1994--2012) </Li> <Li> West Division (1969--1993) </Li> </Ul> </Li> <Ul> <Li> Central Division (1994--2012) </Li> <Li> West Division (1969--1993) </Li> </Ul> <Li> Central Division (1994--2012) </Li>

Who went to national league when astros went to american league