Tizard attended Cranleigh School and began playing rugby from the tender age of seven at Guildfordians RFC, and joined the youth system at Harlequins when he was 16 years old
Since arriving at Harlequins in 2016, Tizard had four caps for England Under 20s.
He made his senior debut in October 2019, aged 19, during the pool stage of the 2019–20 Premiership Rugby Cup, before spending the rest of the season on loan at RFU Championship side London Scottish.
He went on to make 27 appearances for the West Londoners despite being just 21 years of age.
Tizard became a regular player in the Harlequins first team over the course of the 2021–22 Premiership season
In January 2021, he left Harlequins for Saracens in an undisclosed deal.
S.C June 2023
Career
 |
Saracens No 4 Lock |
2022 - present |
 |
England U20's No 4 Lock |
2020 - 2020 |
 |
London Scottish No 4 Lock |
2019 - 2022 |
 |
Harlequins No 4 Lock |
2018 - 2022 |
