Lee was named boxing team captain his senior year where he again won his third straight title in the Bengal Bouts.

[5] He trains with Jamal Abdullah at the famed Wild Card West Boxing Gym in Santa Monica, California.

[6][7] Lee won his professional debut on May 29, 2010 at the UIC Pavilion in Chicago, in a four-round unanimous decision over Emmett Woods.

[9][10] Lee received national attention through his endorsement contract with Subway that resulted in his appearance in a 2013 Super Bowl television commercial.

His comeback from the hospital bed to back in the ring was documented in his well received article he wrote for The Player's Tribune titled: Invisible Pain.

[13] The victory made Lee the first fighter from Notre Dame’s amateur boxing program to win a title in the pro ranks.

[17] In the summer of 2008 Lee went to Bangladesh to see first hand how the money raised during the Bengal Bouts is used to aid people of all different ages including the construction of an entire school for children.

[18] On September 16, 2011, Lee headlined a professional boxing event at The University of Notre Dame inside the Purcell Pavilion in the Joyce Center.