It depends on the shirt (t-shirt, replica jersey, authentic jersey, etc.), it's condition and who signed it.
Yes. Football shirts can be recycled like most items of clothing can. However, if you are not going to wear your football shirt you may want to think about getting it signed and framed and it could be worth something in a number of years time.
The value for a fully signed Real Madrid shirt from 03-04 will depend on who signed the shirt and the rarity and conditon of the shirt. A person should have the item appraised by a professional for the true value.
How Much is the same Autographed football by Chris Cooley and Mike Sellers football worth
i have a Michael Cobb football card signed what is it worth
$600
$200
2 bucks
$85.00 for a signed football
1967 rams football whats it worth signed by all players
around £150
probs £2000