Kelly started his career aged 21 on August 2012. His career record to date stands at 6-1-1 with a mixed bag of results so far in the career. Between August 2012 and June 2013, Kelly had his longest winning streak of 4 fights. In his 8 fights, his longest KO streak is 4 fights long.
An explosive pro debut saw Kelly face Orion Bolds in a 4 round debut fight. Danny became only the 2nd person to stop Bolds shy of the full distance, stopping him in the 1st. Continuing on from his successful debut, Kelly won his next 4 fights taking his record to 4 wins.
Kelly entered his next fight with a successful record of 4-0-1. The fight against Jamal Woods on September 13th, 2013 ended in a draw which was Kelly first fight that didn't end in a win. Kelly was the 6th person to go the distance with Woods. Kelly fought Jamal Woods in 2013, the result was a draw. Kelly then went on to face David Long where he added another win to his tally.
The next defeat of Kelly's career came against Avery Gibson on August 22nd, 2014. This took his career record to 6-1-1. Kelly was left wanting in his latest fight, being beaten over the 6 rounds to suffer his first professional loss in 8 pro fights.