After going undrafted in the 2010 NFL draft, Caldwell signed with the Indianapolis Colts as an undrafted free agent on April 30, 2010. He started 13 games at strong safety during the 2011 Regular Season and made 67 tackles.
On August 26, 2012, the Indianapolis Colts waived Caldwell and he is currently an NFL free agent.
On January 8, 2013, Caldwell signed with the New York Giants.
On August 31, 2013, Caldwell did not make the 53-man roster for the Giants, and was waived.[2]
Hamilton Tiger-Cats
On March 28, 2014, he signed with the Hamilton Tiger-Cats.
References
^McCullough, Andy. "Montclair's David Caldwell goes from homesick kid to William and Mary star safety", The Star-Ledger, December 4, 2009. Accessed March 14, 2018. "After graduating from Montclair High School in 2005, David Caldwell spent a year as a post-graduate student at the Lawrenceville School. He starred on the football field, but after the season ended, his mother drove him home each Friday for the weekend."