The 24-year old has also been playing rugby union for Oswestry, turning out for the last time this weekend, scoring a hat-trick of tries in their 41-0 win over Isle of Man Vagabonds.
Salisbury born, but has lived in Wrexham since he was one year old, Massam is an England Lionhearts international, and became famous in 2010 after scoring the winning try in England‘s 34-30 win over Wales Dragonhearts in Somerset.
He scored against Wales Dragonhearts again this year in Caerphilly but was unable to stop the Welsh from winning 30-24 and lifting the trophy.
Massam started his Rugby League as a youngster with the now defunct North Wales Coasters. He has also played for Wrexham rugby union club.
“I’m really delighted to have signed for North Wales Crusaders who really are my local club,” said Massam. “I was brought up in Gwersyllt and I now live near to the Racecourse so I can’t wait to play there.
“This is a big opportunity for me and I’m looking forward to the challenge. I know that I’ve got to train hard and learn from Clive Griffiths and the coaches. They’ve lot of experience, as have others around me so I just can’t wait to get started.”
Jamie Thomas, North Wales Crusaders‘ chief executive, said: “Rob is a great signing, coming from the heart of Wrexham and living a stone’s throw from the Racecourse. He’s a fantastic player, physical, skilful and great asset to the team. He’s more than capable of playing at this level.”