[1] On 20 February 2013, Lena recorded his 100th appearance with Flamurtari in all competitions during the 2–3 away win against Bylis Ballsh, match valid for the Group B of 2012–13 Albanian Cup.
[12] His Teuta Durrës debut came on 23 January 2016 during the first leg of 2015–16 Albanian Cup quarter-final clash against Kukësi, where he appeared as a second-half substitute for Eri Lamçja.
[16] On 30 June, Lena made his European debut for the club by playing 65 minutes in the 1–0 home defeat to Kairat in the Europa League first qualifying round.
[19] On 3 August 2016, Lena signed a one-year contract with Kukësi as a free agent, rejoining his former Flamurtari Vlorë boss Ernest Gjoka and was presented on the same day.
[25] Lena made his first appearance of the season on 9 September in the opening matchday against Luftëtari Gjirokastër, netting a penalty kick in a 2–1 home win.
[26] On 28 December, after a meeting with president Edmond Hasanbelliu, Lena decided to finish his cooperation with Teuta by terminating the contract by mutual consent.