Jackson, a 24-year-old Senegalese international, has been given permission to leave Chelsea this summer. This is after the arrival of new signings Liam Delap and Joao Pedro at Stamford Bridge.
Chelsea are said to value Jackson at £60 million, and Aston Villa is not the only Premier League club interested in signing him. Despite this, financial constraints may hinder Villa's chances of bringing Jackson on board.
Emery is still optimistic about adding attacking options before the transfer window closes and has a personal connection with Jackson, having managed him during his time at Villarreal.