Complex sentence: Burton ended his career with a record of (22-7) with 11 knockouts and 1 no contest, during his professional career Burton won the NABO Lightweight title and was a 2-Time Indiana State Boxing Champion at Lightweight and Welterweight.
Split into simpler sentences: Burton ended his career with a record of 22--7 with 11 knockouts and 1 no-contest. During his professional career Burton won the NABO Lightweight title and was a two-time Indiana State Boxing Champion at Lightweight and Welterweight.