The goal in question seems to be from the away game at Walsall in March 2008. The goal has been debited to Anthony Gerard, though contemporary account state it was Murray who scored...
https://www.teamtalk.com/news/seagulls-clinchvaluable-away-win
Don't know why the all-time goalscoring list should only be from the 1970s. Discounting 'Wartime' records (which didn't really count)...
LEAGUE & CUP(S) - TOP 10
123 - Tommy Cook
99 - Kit Napier
96 - Bert Stephens
95 - Peter Ward
94 - Glenn Murray
90 - Albert Mundy
90 - Bobby Zamora
86 - Bert...
Zamora scored 83 goals in 136 appearances (134 starts).
99-2000 - 6 league goals
2000-01 - 28 league goals, 2 FA Cup, 1 FLT
2001-02 - 28 league goals, 2 FA Cup, 2 League Cup
2002-03 - 14 league goals
Total - 76 league goals, 4 FA Cup, 2 League Cup, 1 FLT
14 yellow cards, 2 red cards