Empoli and Palermo played out a goalless draw at Carlo Castellani.The hosts had failed to win in their last 10 Serie A matches, while Palermo came into the game only a point above the drop zone and on their eighth head coach since November under Walter Novellino.Palermo forward Franco Vazquez had an effort deflected over while at the other end, Manuel Pucciarelli sent a header too high.The visitors created some good openings in the second half, but could not conjure a winner.A free-kick from Aleksandar Trajkovski curled just over, Vazquez was denied by Empoli keeper Lukasz Skorupski and Aljaz Struna sent a rising volley off target.ends