sentences:  Bulgarian forward Luboslav Penev joined the club in 1989, as Valencia aimed to consolidate their place in La Liga.Guus Hiddink was appointed as head coach in the 1991–92 season, and the club finished fourth in the League and reached the quarter-finals of the Copa del Rey.In 1992, Valencia CF officially became a Sporting Limited Company, and retained Hiddink as their coach until 1993.