1921 University of Michigan football team.
Unknown author<span style="display: none;">Unknown author</span>
921 Michigan football team photograph available at the U-M site at <a rel="nofollow" class="external free" href="http://bentley.umich.edu/athdept/football/fbteam/1921fbt.htm">http://bentley.umich.edu/athdept/football/fbteam/1921fbt.htm</a>