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
Kenny Black joined forces with McCall as assistant manager at Rangers FC. On 21 June 2016 Kenny Black was confirmed as assistant manager to Stuart McCall at Bradford City in the English League Division One. He left in February 2018. Kenny Black Kenneth George "Kenny" Black (born 29 November 1963) is a Scottish football player and manager. A left-sided defender or midfielder, Black began his playing career with Rangers in 1980 but was farmed out to Junior side Linlithgow Rose to gain competitive experience. He left Ibrox permanently in 1983 for Motherwell, before joining Heart of Midlothian for £30,000 a year later.