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# Video: 5 career-defining F1 team-mate battles in 2021
- URL: https://www.the-race.com/formula-1/video-5-career-defining-f1-team-mate-battles-in-2021/
- Published: 2021-01-28T14:44:03.000Z
- Updated: 2023-09-16T17:19:55.000Z
- Description: Edd Straw picks out five F1 team-mate combinations that are likely to have a significant impact on the careers of at least one of the drivers involved
- Author: Valentin Khorounzhiy
- Tags: Formula 1, #video, #image-center-center

The Formula 1 grid is undergoing a significant shake-up this off-season, yet plenty more driver contracts will expire at the end of 2021, creating the opportunity for more changes.

The spectrum of changes means 2021 could prove career-defining for a whole host of grand prix drivers, and the best way for any of them to ensure they’re trending upwards this year is to beat their team-mate.

From Carlos Sainz Jr looking to prove himself against Ferrari’s new ‘favourite son’ Charles Leclerc, to Esteban Ocon going up against a fearsome team-mate in the returning Fernando Alonso, [our latest F1 video](https://www.youtube.com/watch?v=jEDsW0NB%5F3Y&ref=the-race.com) delves into five intra-team 2021 contests that could prove particularly important.