 Kenna akasainwa neSt Patricks Athletic musi wa9 Kukadzi 2010, achibatanidza kukirabhu yeInchicore neaimbove maneja wake weUCD Pete Mahon, uyo akamusarudza semutungamiriri wekirabhu. Kenna akazova mudiwa wevateveri kuInchicore uye akagamuchira mubairo weSt. Patricks Athletic Supporters Club Player wegore muna 2010. Kenna akawanawo zita remadunhurirwa rokuti Kennavaro mushure mekuratidzira kwakanaka kwakafanana nekukunda Mukombe weNyika wakakurumbiramudziviriri wepakati Fabio Cannavaro. Akatamba miniti imwe neimwe yemutambo mumwe nomumwe mumakwikwi ose eSaints muna 2010 uye haana kuwana kadhi rimwe chete dzvuku kana kuti dzvuku mumwaka wose. Zvaifungidzirwa zvikuru kuti Kenna aizobatana nevakundi vemakwikwi e2010 nevakwikwidzi veDublin Shamrock Rovers asi akaramba akavimbika kukirabhu yake uye izvi zvakaita kuti awedzere kufarirwa nevatsigiri. 