Genoa pulled seven points clear of the Serie A relegation zone with a 4-0 home win over 10-man Palermo.Suso got the ball rolling with his fourth-minute opener, the former Liverpool midfielder trumping Stefano Sorrentino in a one-on-one.The hosts remained dominant but needed the dismissal of Sinisa Andjelkovic for two bookable offences before they really let loose.Leonardo Pavoletti was first to exploit the gap, his looping header beating Sorrentino in the 71st minute, and Tomas Rincon volleyed home a third for Genoa only five minutes later.Pavoletti then added gloss to the result with a last-gasp scissor kick.ends