With four podium places and no retirements, the Spaniard got closer to the team as the 2021 season continued and outscored Leclerc.
In 2021, Williams had its best season since 2017, finishing eighth in the Constructors' Championship with 23 points.
Russell has joined the 2021 Constructors' Champions to replace Valtteri Bottas, who has moved to Alfa Romeo for the 2022 season.
Williams boss Jost Capito believes George Russell's demanding nature will help him succeed at Mercedes alongside Lewis Hamilton.
The Mercedes F1 team are looking for a new sponsor in the 2022 Formula 1 season after the departure of one of their long-term partners.
The likes of McLaren’s Lando Norris, Alpine’s Esteban Ocon, and Williams’ (now Mercedes) George Russell delivered some great performances.
Russell’s promotion to Mercedes, where he will replace the Alfa Romeo-bound Valtteri Bottas, is a huge step forward.
Russell has recently scored points in four of the last five Grand Prix, propelling him to 15th in the drivers' standings this year.
Lando Norris is going through an incredible run of form at the moment as he earned pole position in F1 for the first time in his career.
George Russell will replace Valtteri Bottas in the Mercedes F1 team from the 2022 Formula One season. Now he must prove he belongs at the top.