December 2013, he scored again against Hearts, this time in a home 1–0 victory. Commons finished 2013 with another strike, the only goal in a 1–0 win away at Inverness CT on 29 December 2013. This impressive run of form saw Commons named the Scottish Premiership's Player of the Month for December. Commons continued his goalscoring form into January, scoring twice in a 4–0 win away at St Mirren on 5 January 2014, the first of which was his 50th competitive goal for Celtic. Commons finished the season as the top scorer in Scotland, netting 32 goals, and won both the PFA Scotland and Scottish Football Writers' Player of the Year awards. 2014–15 The arrival of new manager Ronny Deila in June 2014 saw Commons feature less regularly in the team. By January 2015, he had only started in around half of Celtic's games in season 2014–15, and scored seven goals. However, amidst speculation over his future at Celtic, Commons began playing more regularly for the team. On 1 February 2015, he scored the second goal of Celtic's 2–0 win over Rangers in the Scottish League Cup semi-final, which was the first Old Firm meeting since April 2012. On 5 February, Commons signed a two-year extension keeping him at the club until 2017. Commons said "I'm absolutely delighted to have signed this new contract with the club", adding "I've loved my time at Celtic and this is where I want to continue playing my football." On 15 March, he scored the opening goal in Celtic's 2–0 win over Dundee United in the League Cup Final. 2015–16 On 22 October 2015, Commons scored Celtic's only goal in their 3–1 defeat to Molde in the Europa League before being substituted 20 minutes later, despite being one of the side's few attacking threats during the match. He reacted with fury towards Ronny Deila and assistant boss John Collins. Commons scored what turned out to be his final Celtic goal on 16 January 2016 against Dundee United at Tannadice, netting a stunning scissor-kick volley in a 4–1 victory. 2016–17 With the appointment of Brendan Rodgers as Celtic's new manager in May 2016, Commons was told he was not in Rodgers' plans. He was left out of their Champions League group stage squad and stayed at the club beyond transfer deadline day in August. Commons did not feature at all under Rodgers, and was eventually