Rochdale, Northampton Town, Swindon Town and Bristol Rovers were all relegated from League One while Sutton United were promoted from the National League to make up the division next season
The Reds be looking to push on next season despite having one of the smallest budgets in the league..
Based on SkyBet's odds for League Two promotion in the 2021-22 season, the Crawley Observer runs through the odds from favourites to least likely to win promotion .
The fixtures for the new season are being unveiled at 9am on Thursday, June 24.
![Salford City are 11/8 to gain promtoion](https://www.thestar.co.uk/webimg/T0FLMTMxMzU4MTU1.jpg?crop=3:2&width=800)
1. Salford City
Salford City are 11/8 to gain promtoion
![Rovers, who were relegated from League One, have promotion odds of 15/8](https://www.thestar.co.uk/webimg/T0FLMTMxMzU4MTU2.jpg?crop=3:2&width=800)
2. Bristol Rovers
Rovers, who were relegated from League One, have promotion odds of 15/8
![The Grecians are 9/4 with SkyBet](https://www.thestar.co.uk/webimg/T0FLMTMxMzU4MTU3.jpg?crop=3:2&width=800)
3. Exeter City
The Grecians are 9/4 with SkyBet
![The Stags also have odds of 9/4](https://www.thestar.co.uk/webimg/T0FLMTMxMzU4MTU4.jpg?crop=3:2&width=800)
4. Mansfield Town
The Stags also have odds of 9/4