Can made his debut for die Werkself on 31 August 2013, coming on as an 80th-minute substitute for Stefan Reinartz in a 2–0 defeat at FC Schalke 04. His first goal for the club came on 26 October when he scored the winner against FC Augsburg in a 2–1 victory. Can made his UEFA Champions League debut against Manchester United at Old Trafford later that month in a match which ended 4–2 in the favour of the English side. In his only season at Leverkusen, Can scored four goals and made four assists in 39 appearances, while largely operating in a defensive capacity. His performances while at Leverkusen sparked interest from English club Liverpool, who noted Can's performances in both the Bundesliga and Champions League. Liverpool On 5 June 2014, Bayer Leverkusen confirmed that Can would join Liverpool after the Merseyside club activated his £9.75 million (€12 million) release clause. Liverpool manager Brendan Rodgers described Can in a press conference later in the week as an "inspirational young talent". The transfer was completed on 3 July 2014. 2014–15 season Can made his competitive debut for the club on 25 August 2014, coming on as a substitute for Joe Allen in a 3–1 away defeat against Manchester City. The following month, he picked up an ankle injury while on duty with the German under-21 side and was sidelined for six weeks. On 19 October, following his return from injury, Can made his first start for Liverpool in a 3–2 win against Queens Park Rangers. He scored his first Liverpool goal on 8 November with a long-range shot past Thibaut Courtois, opening the scoring in an eventual 2–1 defeat to Chelsea. Against the same opponent in a League Cup semi-final defeat on 27 January 2015, Can was stamped on by Chelsea forward Diego Costa; referee Michael Oliver did not penalize the incident, but Costa was retrospectively banned for three matches by the FA. In April, Can received his first red card for Liverpool in 4–1 loss to Arsenal at the Emirates Stadium. Though naturally a midfielder, Can spent much of his debut season playing in defence, and ultimately featured 40 times for the campaign across all competitions. 2015–16 season On 22 October 2015, in Liverpool's UEFA Europa League match against Rubin Kazan at Anfield, Can scored his first goal of the 2015–16 season. It was the club's first goal under the management