Derry City defender Cotter signs for CSKA Sofia

Derry City defender Barry Cotter has signed for CSKA Sofia, the League of Ireland Premier Division club confirmed on Tuesday.The Candystripes lost 5-3 on aggregate to the Bulgarian side in the first qualifying round of the Europa League in July.Their 2-1 home defeat in the second leg was marred by crowd trouble in the stands at the Brandywell Stadium.CSKA will compete in the league phase of the Uefa Conference League over the coming months, having been eliminated at the play-off stage of the Eur