The Black Cats kick-off the season against Ipswich Town on August 6 with friendlies against Mallorca at home and Hartlepool United at The Vic to come before.
Here, though, we take a look at the best photos of hardcore Sunderland fans watching their team work out on the Stadium of Light pitch ahead of the new season.
1. Sunderland fans and Jobe Bellingham
Sunderland fans in attendance at the club's open training at the Stadium of Light ahead of the 2023-24 Championship season. Photo: James Copley
2. Sunderland fans
Sunderland fans in attendance at the club's open training at the Stadium of Light ahead of the 2023-24 Championship season. Photo: Frank Reid
3. Sunderland fans
Sunderland fans in attendance at the club's open training at the Stadium of Light ahead of the 2023-24 Championship season. Photo: Frank Reid
4. Sunderland fans
Sunderland fans in attendance at the club's open training at the Stadium of Light ahead of the 2023-24 Championship season. Photo: Frank Reid