In June 2018 , Kolev started pre-season training with his parent club put subsequently his loan was extended until the end of the year .
On 6 September 2017 , Kolev was loaned to Etar Veliko Tarnovo .
In June 2018 , Kolev started pre-season training with Kolev 's parent club put subsequently his loan was extended until the end of the year .
On 6 September 2017 , Kolev was loaned to Etar Veliko Tarnovo .