Big Ten Conference logo since 2010, consisting of a black B and blue 1G
Big Ten Conference
Own work  using: <a rel="nofollow" class="external free" href="http://ncdadodgeball.com/media/teams/resources/Big-Ten-Identity-Guidelines.pdf">http://ncdadodgeball.com/media/teams/resources/Big-Ten-Identity-Guidelines.pdf</a>