Teams going from unranked in first poll to No. 1 with week they moved into No. 1 and how long they stayed there:
x-No. 1 in final poll
Syracuse, March 1, 2010, first week
Kansas, Jan. 9, 1990, 4 weeks
x-Indiana State, Feb. 13, 1979, 4 weeks
x-Kentucky, Feb. 8, 1966, 5 weeks
x-UCLA, Jan. 7, 1964, 10 weeks
x-San Francisco, Feb. 8, 1955, 5 weeks
Teams that have gone from ranked No. 1 to out of the poll:
x-returned to poll later in the season
Texas, No. 1 for 2 weeks, dropped out March 1, 2010
x-Indiana, No. 1 for 3 weeks, dropped out Feb. 12, 1980
UCLA, No. 1 for 2 weeks, dropped out Dec. 21, 1965
x-Loyola of Chicago, No. 1 for 5 weeks, dropped out Feb. 11, 1964