Jimmy Nicholl followed Calderwood when he took over as manager at Aberdeen, again serving as his assistant until the two parted company with the club in May 2009. He resumed his partnership with Calderwood at Kilmarnock in 2010. Nicholl was appointed manager of Cowdenbeath in June 2010, but he left Cowdenbeath at the end of the 2010–11 season after they were relegated from the First Division. Nicholl was then appointed assistant manager of Kilmarnock for a second time, by Kenny Shiels on 15 June 2011. Kilmarnock won the 2011–12 Scottish League Cup under Shiels and Nicholl, but Shiels was sacked by Kilmarnock
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