Here is a list of Hein's best fights. For a list of Hein's losses, refer to "Nick Hein Losses".
On June 20, 2015 Nick Hein faced off against Łukasz Sajewski in a lightweight bout at age 31. He was coming in with a record of 12-2 (5). Hein won the fight via 3-round unanimous decision.
On May 31, 2014 Nick Hein faced off against Drew Dober in a lightweight bout at age 30. He was coming in with a record of 11-1 (5), and Dober was 25 years old and with a record of 14-5 (10). Hein won the fight via 3-round unanimous decision.
On September 27, 2015 Nick Hein faced off against Yusuke Kasuya in a lightweight bout at age 31. He was coming in with a record of 13-2 (5). Hein won the fight via 3-round unanimous decision.
On September 3, 2016 Nick Hein faced off against Tae Hyun Bang in a lightweight bout at age 32. He was coming in with a record of 14-2 (5), and Bang was 33 years old and with a record of 18-9 (9). Hein won the fight via 3-round unanimous decision.