Sunderland will be one of the clubs looking to make several new signings this summer as they continue their post-season rebuild, and they will be joined by a number of other sides in seeking to assemble a side capable of achieving promotion.
The likes of Portsmouth, Ipswich Town and Wigan Athletic are all set to be active in the market and, indeed, many have already made some eye-catching moves ahead of what they hope will be successful season.
So what signings have been completed in the third tier thus far?
We take a look at all of the deals done in League One over the summer, as clubs begin to dip into the market ahead of what is set to be a hugely competitive 2021/22 season:
So what signings have been completed in the third tier thus far?