Career
He advanced to the National Junior Olympics Championships both years he was eligible. Seniors
Upon turning 17, Shimmell began competing in the open-class of United States of America Boxing (the experienced boxers ages 17–34). He was the runner-up in the 2006 National Golden Gloves in the heavyweight (201 pound) division.
In June 2007 at the United States. Championships, Shimmell lost a 12-11 decision to Quantis Graves, missing the chance to compete in the United States Olympic Trials for the 2008 Olympics.
Graves went on to become the runner-up at the United States Olympic Trials. Shimmell defeated Jamie Power of Ireland in the semi-finals on a 5-0 unanimous decision.
Shimmell then went on to knock out Mike McDonagh of Great Britain in the second round in the Championship bout. The World Golden Gloves tournament was held at the Grand Casino in Hinckley, Minnesota.
In 2010, Jordan was the National Golden Gloves runner-up losing a very close split decision in the finals.
In June 2011, Jordan returned to the top, winning his 2nd United States of America Boxing National Championships gold medal in three years (2009 & 2011).