Complex sentence: O'Keefe went on to enjoy a two-year spell playing and managing in Ireland with Cork City, and in March 1989 he came out of professional retirement to sign for Chester City, under the guidance of his former Wigan Athletic manager Harry McNally.
Split into simpler sentences: O'Keefe went on to enjoy a two-year spell playing and managing in Ireland with Cork City. In March 1989 he came out of professional retirement to sign for Chester City, under the guidance of his former Wigan Athletic manager Harry McNally.