Trevor Davison began playing rugby at Blaydon Rugby Club at age 12 and stayed at the club until his early 20s, making over 100 appearances for the senior teams. 

He played England Counties seven times and had plans to move to Australia before winning a professional contract with Newcastle Falcons in 2017. Davison, primarily a tighthead but able to play on both sides of the scrum, then signed for Northampton Saints in 2023 and was part of the team that won the 2023/24 Premiership title. 

He made his England debut in 2021, coming off the bench in a 43-29 victory over the United States. He won his second cap later that year in England’s victory over Australia. He was recently named in Steve Borthwick's squad for the 2024 Autumn Nations Series.