Hello everyone,
Many drivers retire because they don't have a Formula 1 contract, and sometimes at the age of 21.
There should be the following point, in addition to "without a contract"
- "Other racing series"
In reality, many drivers also drive in other racing series, but there is still the possibility of bringing these drivers back to F1.
If a driver drives in another racing series, he has a normal 12-month contract and a buyout must be paid if you want to have him earlier
Have a nice day