Johor Darul Ta’zim (JDT) have bolstered their squad for the upcoming season by signing 23-year-old Spanish midfielder Alberto Martin Diaz, also known as Teto Martin.Unveiled in a video on the club’s official Facebook page, Teto joins the Southern Tigers after 14 years with CD Tenerife, where he made 98 appearances and scored six goals. He will wear the number 20 jersey at JDT.