India, July 21 -- After more than a decade overseeing Michigan athletics, athletic director Warde Manuel will step down at the end of the calendar year, the university announced Monday.

Manuel, 58, assumed the role in January 2016 and guided one of the nation's premier athletic departments through a highly successful period, highlighted by multiple national championships, including titles in football and men's basketball.

However, his departure also comes after years in which the department faced a series of legal challenges and controversies, issues that have ultimately shaped the closing chapter of his tenure.

As Manuel prepares to leave, here's a look at five major controversies that surfaced in the final years of his tenure and rai...