He was a good overall athlete who was a three-year letterwinner in the sports of football (offensive left tackle), wrestling (heavyweight), and track.

Britt won the class 4 Missouri state heavyweight championship in wrestling as a senior in 2009, going a perfect 45–0 during the season.

He continued to be a starter in the offensive line for the remaining two seasons of his Missouri career, playing at both left and right tackle.

[4] He won the right tackle job in training camp in 2014, and started there in the opening game of the season against the Green Bay Packers.

The Seahawks finished the season with a 12–4 record for an NFC West pennant, but lost to the New England Patriots in Super Bowl XLIX.

Britt was among the least effective pass blocking guards in football to start the season, but showed improvement.

[14] On January 21, 2021, Britt had a workout with the Kansas City Chiefs, after spending the 2020 regular season as a free agent.