Complex sentence: He began his senior career at Bohemians in the summer of 1994 after playing youth football for St. Kevins Boys and stayed at Bohs until he moved to Dundalk F.C. in the summer of 2002.
Split into simpler sentences: He began his senior career at Bohemians in the summer of 1994 after playing youth football for St. Kevins Boys. He spent 8 years at Bohs until he moved to Dundalk F.C. in the summer of 2002.