He made his first appearance in the starting line-up on 17 October, replacing Mick Channon in a league game against Notts County.
He was "full of strong surging runs" and "would, when remembering to take the ball with him, completely perplex opposing defenders and cause havoc in the penalty area".
Again, Lawrence was in competition with several strikers including Moran, Joe Jordan, Alan Curtis and Danny Wallace.
It was somewhat of a surprise to the Saints fans, therefore, when he was sold to Millwall for £160,000 in July 1987, although by now Matt Le Tissier and Alan Shearer were coming up through the ranks and were pushing for promotion to the first team.
Since retiring from playing professionally, he has continued to turn out in veterans' matches as well as earning a living as a player's agent.