Many outfield players don’t have the legs to carry them into their 30’s, sustaining the pedigree of quality shown in their youth is, somewhat, a daunting task that many don’t find easy. Some players, when faced with ageing, opt to adapt their game to coincide with the pace of the top level and the rest, well, they follow the money in America or China.

Read Sunderland look to five ageing free agents that Sunderland could look to sign this summer:

Alex Livesey/Getty Images Sport Start slideshow

Read more from Tyler Marriott