A defending national champion has experienced a notable drop in ranking. Indiana, which went 16-0 and won the championship last year, is now ranked No. 6 in the Associated Press Poll. This ranking puts them outside the top five.

The frequency of such a drop is being questioned. Given Indiana's successful record last year, their current ranking is seen as a significant change.

Further details about this ranking and its implications are available from the source, providing more context about the situation.