Sproule signed a pre-contract agreement with the club a month later.
Craig signed a pre-contract agreement with Hibernian in January 2013.
Kick Off said that he had a pre-contract agreement with them, but a transfer never materialised.
He signed a pre-contract agreement in January after refusing to sign a new deal at Wolves a month earlier.
As a result, those players are able to negotiate pre-contract agreements with other clubs but Lennon argues that it is a risk worth taking.
During the 2005-06 season, rumours circulated that he had signed a pre-contract agreement to join Celtic in the summer of 2006.
Payne subsequently signed a pre-contract agreement with Oxford, making the move permanent.
The next day, he was able to talk with other clubs about signing a pre-contract agreement.
Patterson joined Glentoran in the summer of 2010, having signed a pre-contract agreement with the club earlier in the year.
All three had already signed on pre-contract agreements and joined Celtic after their contracts expired.