Kenny Shiels guide Killie to the League Cup semi-finals, beating rivals Ayr United. Despite the win, Shiels criticised rival team tactics, believing the club should have done more. On 18 February 2012, Kilmarnock beat Rangers 1–0, with Shiels' son Dean scoring in the 12th minute, making him the first Kilmarnock manager to beat Rangers twice in one season. After the match, Shiels said a win over Rangers was dedicated to the club's supporters and praised his son, who scored the only goal in the match, for his performance as "outstanding". On 18 March 2012, Shiels' Kilmarnock side travelled to Hampden Park for
2006–07 in Scottish football 2006–07 in Scottish football The 2006–07 season was the 110th season of competitive football in Scotland. Celtic made preparations for the Champions League with the high-profile signings of Jan Vennegoor of Hesselink from PSV Eindhoven, Jiri Jarosik from Chelsea and Thomas Gravesen from Real Madrid while Stilyan Petrov left to join former boss Martin O'Neill at Aston Villa. Celtic also signed former Rangers striker Kenny Miller on a free transfer from Wolverhampton Wanderers. Rangers, under new manager Paul Le Guen, brought in several players including Jérémy Clément from Paris Saint Germain and Filip Sebo from Austria Vienna while Peter Løvenkrands