Assumptions are dangerous, I'm pretty sure there have been numerous players over the years that've managed to crack time travel.
Obafemi Martins and Kanu are probably only now coming up to their 30's, for example.
Fairly short-sighted view I would've thought?
What are the chances that a 19/20 year old, who is already showing enough to be Championship quality in 2 years, is going to be unattached in the first place?
Obviously there are examples of it happening, but I'd imagine (based on sod all) that...