sheets (13 games) was finally ended on 1,256 minutes on 25 February 2014 when Hayes beat him from 30 yards to open the scoring in a 2–1 win for The Dons. The goal was later voted as the SPFL Goal of the Season. On 16 March 2014, Hayes started for Aberdeen in the League Cup Final but early on he suffered a shoulder injury and had to be replaced by Cammy Smith. In the opening match of the 2014–15 season he scored Aberdeen's fourth goal in a 5–0 victory against FK Daugava Riga in the Europa League first qualifying round first leg. On 29 December 2014, it was announced that Hayes had signed a contract extension, keeping him at Aberdeen until summer 2018. In February 2016, Hayes had 18 stitches in his arm after being bitten by a dog. Celtic On 17 June 2017, Hayes signed a three-year deal with Scottish Premiership champions Celtic, for a fee in the region of £1 million. On 23 December 2017, Hayes scored his first competitive goal for Celtic against his former club Aberdeen, scoring the second goal in a 3–0 win. He spent the second half of the season out injured after a tackle during a game against Dundee on Boxing Day, three days after his first goal of the season. He scored his second goal for the club in the 2–0 win over Rangers at Ibrox on 1 September 2019. He was released by the club in May 2020. Return to Aberdeen Hayes rejoined Aberdeen on a free transfer from Celtic, his contract having expired, on 23 June 2020, after three years away from the club. He signed a two-year deal, taking a significantly smaller wage to re-sign. In August 2020 he was one of eight Aberdeen players who received a suspended three-match ban from the Scottish FA after they breached coronavirus-related restrictions by visiting a bar earlier in the month. International career Hayes received his first senior call-up in March 2016. Career statistics Honours Inverness Caledonian Thistle Scottish First Division: 2009–10 Aberdeen Scottish League Cup: 2013–14 Celtic Scottish Premiership: 2017–18, 2018–19, 2019–20 Scottish League Cup: 2018–19, 2019–20 Scottish Cup: 2018–19 Individual SFL Player of the Month: November 2009 & April 2010 SPFA Goal of the Season: 2013–14 SPFA Premiership Team of the Year: 2015–16, 2016–17 Aberdeen FC Player of the Year: 2015–16 Aberdeen FC Players' Player of the Year: 2015–16 Aberdeen