Kilkenny man Thomas O'Connor fired Wrexham into the fourth round of the FA Cup, as the League Two outfit dug out a 1-0 win at Shrewsbury Town.O'Connor's deflected strike in the 72nd minute settled a tense affair and sent the Welsh outfit through.James McClean also started for Wrexham, who rode their luck at time but grew into the contest on the turnaorund.Republic of Ireland underage international O'Connor scored against Coventry City and Sheffield United in the cup last season, when Wrexham also reached the fourth round, and he did the business again to send the travelling fans wild.David Moyes faces a trip back to his former club after West Ham were held to a 1-1 draw by Bristol City.The Hammers looked on course for a comfortable afternoon when Jarrod Bowen fired them into an early lead.It proved to be anything but, however, after a second-half equaliser from Tommy Conway secured a replay for the rocking Robins, who had three Republic of Ireland internationals in their starting lineup: goalkeeper Max O'Leary, Mark Sykes and Jason Knight.West Ham's squad would have been given a whole a week off had they won this third-round tie, but they will now be dragged back in on Friday as Moyes, who reached Wembley twice as a player with City, prepares for a return to Ashton Gate.Luton were frustrated by League One high-flyers Bolton as the teams played out a drab goalless draw at Kenilworth Road.Rob Edwards fielded a near-full strength side in spite of the hosts' ongoing fight to survive in their debut Premier League campaign, but they were unable to break down the side currently sitting second in the third tier.Republic of Ireland wide man Chiedozie Ogbene played the full 90 minutes for the Hatters.West Brom cruised through