Thorley made his professional debut at age 17, becoming the youngest player to play for Gloucester in the professional era when he played the full 80 minutes, partnered with World Cup winner Mike Tindall in a Anglo-Welsh Cup match against Northampton Saints in November 2013.[1]
Ollie became the club's youngest first team try scorer when he crossed against Ospreys in March 2015 in the Anglo-Welsh Cup and he marked his debut in the Aviva Premiership, from off the bench, with the game's only try against the Exeter Chiefs in April 2016.[2][3]
In November 2017, he was awarded Try of the week for his week 8 try against Saracens.[4]
Following a spate of tries and Man of the Match presentations, Thorley was awarded the Gallagher Premiership Rugby Player of the Month for November 2018.[5]
Ollie won the RPA Young Player of the Year Award for the 2018/2019 season and the Premiership Rugby Try of the Season Award.[6]
In the 2019/2020 season, Ollie Thorley was named the Gallagher Premiership top try scorer with a total of 11 tries. This was also the most number of tries scored by a Gloucester player in a Premiership season. In the same season Ollie Thorley also became one of only 3 players to have scored four first-half tries in a Gallagher Premiership game as Gloucester beat Leicester 46–30 at Kingsholm.[7]
Thorley was selected for the Senior England squad for the first time when Eddie Jones announced his 2019 Six Nations squad after a string of impressive performances for his club, Gloucester.[10] He was called up again for the 2020 Six Nations Championship.[11]
On 31 October 2020 he made his England debut from the bench in England's delayed final Six Nations match against Italy, to become the 2020 Six Nations champions.[12]