Northampton have completed the signing of New Zealand-born midfielder Michael Built on an 18-month deal.
Cobblers boss Ian Sampson said: "Michael is a talent.
"He has been with us for more than a year and now he has reached the age of 18 and we have received his international clearance we are able to sign him on a professional contract.
"He is a good player.
"He plays wide on the right hand side of midfield and he is one we are excited about.
"It is always rewarding when a young player signs a professional deal and we are very pleased to have secured Michael's services."