Napoli lost 2-0 to Young Boys in Bern in the Europa League on Thursday, as Feyenoord went down 3-1 away to HNK Rijeka.
Ronald Koeman’s successful start to life at Southampton has come as no surprise to Gido Vader.
PSV Eindhoven strengthened their hold at the top of the Eredivisie as they beat AZ Alkmaar and saw Ajax held by Twente.
PSV Eindhoven pulled two points clear at the Eredivisie summit as fellow high-fliers Ajax and PEC Zwolle drew.
Ajax moved level at the top of the Eredivisie with PSV with a 5-2 win over NAC Breda on a goal-heavy day in Holland.
Ajax claimed a narrow win over fierce foes Feyenoord but PSV Eindhoven remained top of the Eredivisie.
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