 He subsequently won a Leinster under-21 title in 2001 before making his senior debut that same year.Since then he has enjoyed some success at senior level and is perhaps best known for scoring a famous goal in Croke Park in 2004 as part of the Leinster Senior Hurling Championship.After blocking an attempted clearance from Peter Barry of Kilkenny, Jacob caught the ball and buried it into the net to give Wexford the win in the Leinster hurling semi-final.