LONDON, July 8 (Xinhua) -- Recently promoted Premier League side Sunderland has signed former Atletico Madrid defender Reinildo Mandava on a free transfer.

Some notable examples include: Reinildo Mandava, a left-back for Atletico Madrid from Mozambique; Serhou Guirassy, a forward from Guinea playing for Borussia Dortmund; Khvicha Kvaratskhelia, a ...