Ex-Boro star Emerson regrets the manner in which he left the club and would welcome a return to the Riverside.
Preparations for next season are being made with the first friendly announced, a trip to Hull City's new Kingston Communications Stadium on Saturday July 26.
Stoke City have extended the loan period of Boro goalkeeper Mark Crossley until the end of the season, while Chesterfield have done the same with Boro youngster Brian Close.
Boro's hopes of a back-door entry into the UEFA Cup were boosted at the weekend when closest rivals Manchester City picked up five bookings against Bolton and manager Kevin Keegan had strong words regarding the match official.
Ex-Boro goalkeeper Alan Miller has been forced to retire, at the age of 33, with a back injury.
Boro Reserves picked up three valuable points at Liverpool to keep up their challenge for the FA Premiership Reserve League Title. Aston Villa currently lead the table by one point.
Real Madrid tell Boro that they must pay £10m if they want to make the signing of Cameroon international Geremi permanent.