Few moments in a footballer's career carry the emotional weight of returning to a club that once turned you away. For Britt Assombalonga, signing for Nottingham Forest in 2014 was exactly that — a chance to settle unfinished business with a club that had rejected him as a 14-year-old.

The Congolese forward had trialled at the City Ground as a teenager but failed to earn a permanent contract. Rather than letting bitterness fester, he channelled the experience into motivation.