Napoli lead the way at the halfway point in Serie A after climbing to the top on a weekend that featured notable wins for fellow UEFA Europa League hopefuls including Villarreal, Sporting CP, Olympiacos and Manchester United.Gonzalo Higuaín struck twice as the Partenopei won 5-1 at Frosinone to leapfrog Internazionale at the Italian summit, while Islam Slimani scored late to keep Sporting four points clear in Portugal as they edged Braga 3-2. As for Villarreal, they dispatched Sporting Gijón 2-0 to post a sixth consecutive Liga victory and remain fourth.That is nothing compared to Olympiacos