Spinner met Declan through Jane, who had an affair with Declan while she was still in a relationship with Spinner. After Declan and Jane broke up, Jane decided to hide the fact that she cheated from Spinner. Declan went on to date Holly J., and Spinner would occasionally see Declan due their mutual friends. Eventually, Spinner learned that Declan had an affair with Jane, and is angered to the point where he punched Declan in the face. However, Spinner seemed to have forgiven Declan when he allowed Declan and Holly J. to come to his and Emma's wedding.
In Close to Me, at Spinner's house-warming party, Jane Vaughn and her band, the Studz perform. Spinner is unaware that Jane was singing to Declan. Later, Jane starts cheating on Spinner with Declan. She wanted to tell him, but chickened out, leaving Spin unaware.
In Wanna Be Startin' Somethin', Spinner is still unaware of Declan and Jane's relationship. After Holly J. Sinclair, who is Spinner's friend, catches Jane and Declan kissing, she convinces Jane to choose Spinner of Declan. Spinner still doesn't know about the affair.
In Somebody, Spinner serves Holly J. and Declan milkshakes at The Dot.
In Heart Like Mine (1), Holly J. and Declan are at The Dot before school while Spinner is working.
In Keep On Loving You, Spinner asks Declan if he's going to sit at The Dot all day, and Declan responds that he's going to spend as much time with Holly J. as he can before he moves.
In Degrassi Takes Manhattan, Spinner overhears Jane and Holly J. talk about Jane's previous affair with Declan. He is angered and punches Declan in the face in front of everyone. He then breaks up with Jane. However, Spinner allows him to come to his wedding with Emma.
- They both dated Jane Vaughn.
- Holly J. Sinclair had feelings for both of them, but only Declan dated her.
- Spinner punched Declan and broke up with Jane after finding out about their affair.
- Most of their interactions were at The Dot.
- Declan: "Normally I'm all for crashing a wedding, but the groom already punched me in the face." (Degrassi Takes Manhattan)