Steven Alzate signed for Brighton & Hove Albion from Leyton Orient on a three-year deal.
The 18-year-old left Orient after joining the club at under-13 level, and he made 12 appearances in League Two during the 2016/17 campaign.
Alzate scored a brace on his Albion debut against Shoreham, before also finding the back of the net against Fulham and Reading.
The versatility player made numerous appearances and helped Simon Rusk's team win promotion to the top flight of under-23 football.