[1] He has also managed Albania U21, 17 Nëntori, Teuta Durrës and Shkumbini Peqin.
He made his debut for Albania in a September 1957 friendly match away against China, his sole international game[3] Rreli peaked as a coach of Albania national under-21 football team, which he led to two straight titles of the Balkan Youth Championship (in 1978 and 1981) and to the quarter finals of the Euro 1984, where Albania U21 was among the best 8 European teams.
[4] As a coach, he won two straight Albania's titles in 1987-88 and 1988-89 with KF Tirana.
[4] He was the father in law of Mirel Josa, another footballer and coach who married Rreli's daughter Brunilda.
[5] For his achievements Rreli was awarded in 2007 the Mjeshter i Madh civil medal by then president of Albania Bamir Topi.