Ashley Neal was a couple of seasons before, he played for us at The Goldstone Ground, Thomas was from the Gillingham days. From what I remember (and what soccerbase seems to show) Thomas was part of a 5 man defence with Ian Culverhouse and Derek Allan alongside him central defence, Kerry Mayo...
It was Glen Thomas, subbed off at half time against Brentford and then again in the following home game against Mansfield and was thankfully never seen again.