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
Thomas Mitchell (football manager) Thomas Mitchell (football manager) Thomas Brown Mitchell (c. 1843 in Dumfries – August 1921) was a two-time FA Cup winning Scottish football manager. Thomas Mitchell was born in Dumfries but moved south of the border "c."1867. Mitchell became secretary-manager of Blackburn Rovers in 1887. The club then went on to win two FA Cups in 1890 and 1891. The final win in 1891 was against the Notts County side featuring David Calderhead. Mitchell left Blackburn after 9 years as manager in 1896. Mitchell joined Woolwich Arsenal, after the club decided to appoint a professional manager following their defeat at the