[6] Dimitriadis was injured in a pre-season match against Ljungskile along with Malick Mane, and Sandefjord's head coach Patrick Walker blamed the artificial turf in LSK-Hallen for the injuries.

Even though Dimitriadis is an offensive midfielder and have played as a forward he was used as a centre-back in the 2012 season, due to the injuries on Alexander Gabrielsen and Yaw Ihle Amankwah, with great success.

After a match against Ullensaker/Kisa his teammate Eirik André Lamøy told the local newspaper Sandefjords Blad that if it was possible, he wanted to have several Dimitriadis playing in different positions which would make the team better.

[9] Dimitriadis continued to play centre-back throughout the season due to injuries, and his performance as a defender got him on Thomas Berntsen in Norwegian TV 2's list as one of Adeccoligaen's five best players.

[11] His contract with Sandefjord expired after the 2012 season,[12] and he returned to Sweden and Stockholm in February 2013 when he signed for the newly promoted Allsvenskan side Brommapojkarna.