By Tom Adams
Last Updated: 01/01/70 1:00am
AZ Alkmaar slipped up in their pursuit of PSV Eindhoven in De Eredivisie.AZ Alkmaar slipped up in their pursuit of PSV Eindhoven after being held to a 1-1 draw at home to Groningen.
Guus Hiddink's men had laid down the gauntlet with a 2-0 win over RKC Waalwijk on Friday night, and now enjoy a lead of three points after the stalemate at Alkmaarder Hout.
AZ even fell behind to a Glen Salmon (16) strike, but prolific former Rangers star Shota Arveladze rescued a point on the hour mark.
Bottom side RBC Roosendaal are still without a win after a 2-1 home defeat to Heracles Almelo.
The visitors, who moved into joint 11th with the three points, raced into a two-goal lead through Sota Hirayama (25) and a first half injury time strike from Mika Nurmela.
Roosendaal claimed a consolation through Bjoern Daelemans (59), but still remain marooned on just five points at the bottom of De Eredivisie.
Sparta Rotterdam edged closer to safety as their good 0-0 draw with Heerenveen leaves them one point shy of 15th placed ADO Den Haag.
However, 17th placed Willem II could not match their relegation rivals as they fell to a dramatic 2-1 defeat on their travels to Vitesse Arnhem.
The visitors looked to be heading for just their third win of the season when Moussa Dembele scored after 24 minutes.
However, substitute Fred Benson then intervened and grabbed a late brace (87, 89) to shatter the hopes of the travelling support, after Remco van der Schaaf missed a penalty.