Main, who does not turn 19 until next month, has impressed while on trial at Boro's Rockliffe Park training base and manager Tony Mowbray is interested in seeing what he can do at a higher level.
Mowbray has been carrying out his own assessment on the player along with his backroom team and they are ready to take a punt on the teenage forward.
Main has also had a trial at Hartlepool United after his contract was paid up by the Quakers following his failure to break in to manager Mark Cooper's first team plans.
The 18-year-old, born in South Shields, became Darlington's youngest ever player to play for them when he came off the bench against Peterborough in May 2008 aged just 15.
Aston Villa and Fulham have both previously been linked with the player, but it has emerged that Mowbray is seriously considering pulling off a deal.
Source: Northern Echo
Source: Northern Echo