 Complete the following phrase:  McDonald signed for St Johnstone on 13 June 2013. He made his debut for the club on 18 July 2013, in a 10 win away to Rosenborg in the Europa League. On 6 January 2014, McDonald signed a new contract, keeping him at St Johnstone until 2015, with an option for another year. He came on as a substitute as they won the 