David Grayton started his career aged 31 on August 2012. After 10 fights, Grayton remains unbeaten with no sign of being beaten after building up his record of 10 wins and a career lasting 12 years so far. Between August 2012 and January 2016, Grayton had his longest winning streak of 10 fights. In his 10 fights, his longest KO streak is 5 fights long.
An explosive pro debut saw Grayton face Gregory Joyner in a 4 round debut fight. David became only the 3rd person to stop Joyner shy of the full distance, stopping him in the 1st. Following his debut, Grayton had an impressive start to his career as he went on to win his next 5 fights including 2 times in 2012 and 3 times in 2013 fighting the likes of as Gregory Joyner, Greg Coverson jr and Anthony Jones.
Howard Reece was up next for Grayton on April 19th, 2014. Grayton continued with his winning streak by beating Reece. Becoming the first person to stop Howard Reece, Grayton beat Reece via TKO in the 1st round of a 4 round fight. Another win followed for Grayton taking his win tally to 8 wins.
On August 1st, 2014 Grayton fought and beat Eddie Cordova (4-8-1) to continue his unbeaten streak. The win against Cordova came in the 2nd round of a 6 round fight via TKO. Grayton was the 5th person to stop Cordova.
Daniel Souza santos was beaten by David Grayton in Grayton's most recent fight on January 31st, 2016 to ensure his unbeaten run continued. Ending via RTD, Grayton became the 6th fighter to stop Souza santos. The defeat came in the 2nd round of a 8 round fight.