Leaders PSV and second-placed Ajax face stern tests of their title credentials against a pair of former champions this weekend.
The Amsterdam giants travel to Twente, who pipped them to glory in 2009-10, while the Eindhoven heavyweights host AZ.
Since a 3-0 loss to Ajax in March, Twente have gone 16 matches unbeaten in all competitions. However, five draws from eight games ensures they only sit fifth in the Eredivisie, two points behind this weekend s opponents.
Ajax have not last in nine league meetings with Twente, who will charge Luc Castaignos with arresting that sequence. The 22-year-old former Inter striker has netted six times in his last five appearances in all competitions, to reportedly attract interest from abroad.
Frank de Boer will hope power…