 He also trialled with Caleb Rufer at Werder Bremen, Hannover 96 and B Monchengladbach.Neither player was successful but later on Rojas was awarded a trial with the Wellington Phoenix after winning the "Retro Ricki Youth Scholarship" from the Yellow Fever.Rojas impressed Wellington coach Ricki Herbert and put in some good performances in the Phoenix's warm up friendlies resulting in him getting offered a 2-year contract with the A-League side.