Turkish manager Fuat Capa has tipped Paul Onuachu to score 20 goals for Trabzonspor this season. Onuachu linked up with Trabzonspor from Sky Bet Championship club, Southampton on a season-long loan deal this month. The 29-year-old has enjoyed a good start to his career in Turkey, scoring in his first two games against Besiktas and Hatayaspor. Capa has now tipped the Nigerian to score at least 20…