Date of birth
Main joined Pompey from Doncaster for an undisclosed fee in July 2016.
Scored five times in 14 appearances for his new club at the start of the season, before a lengthy spell on the injured list.
The hardworking striker started his career with Darlington, where he made his senior bow at the age of just 15.
He soon attracted the attention of Middlesbrough, spending three years with the Teesside club and making 48 Championship appearances.
Doncaster signed Main in the summer of 2014 and he scored 11 goals in 58 games for them, while also spending time on loan at Oldham.