Crocker’s strike came late in time added on for stoppages preventing bottom-of-the-table Tower from collecting their first league point of the season.
Meanwhile, Beeches Old Boys continued their good league form to go joint top of Coca-Cola Combination Division II on Saturday
The Old Boys won by the odd-goal in five against previous sole divisional leaders St Ouen at Les Quennevais condemning the Saints to their first defeat in 15 matches.
Consolidated
St Ouen, who led 1-0, were eventually defeated by a late goal on the break.
Beeches, who have played a game more than St Ouen, netted through Ian Doyle, Sam Dawes and Simon Logan, with Jon Evans and Jack Crawford notching for the Saints.
Sporting Academics are now just one point behind the top to after goals from Paul McLaughlin secured the Accies a 2-0 win at the Airport against Magpies.
St Clement consolidated fourth place after Matt Rawlings bagged the only goal in a 1-0 success away to St John.
Tony Riley scored twice and Carl Winn and Ben Doherty once each giving Jersey Nomads a 4-0 success over St Lawrence at the FB Fields.
St Paul’s increased their lead at the top of Division I Reserves to four points, with a 4-0 victory over previously second-placed Jersey Wanderers at Clos des Pauvres in St Saviour.
Junior Declan Sowney bagged a pair and Paul McGinness and Kenny Chalk singles.
Grouville moved into joint-second place above Wanderers on goal difference following a 1-1 draw at St Peter where Tony Cardoso scored and missed a penalty kick for the visitors.
Division II Reserves leaders Portuguese Club extended their advantage to eight points following a 3-1 win against St Martin/SCF at Les Quennevais.
Neil Woolfenden registered for the Saints and Joao Mendonca and Valeriano Figueira for Portuguese together with an own goal.
Jersey Nomads and Trinity shared six goals at the FB Fields where Paul O’Hara, Nathan Trevor and Jon Leonard registered for Nomads and Alex Kilpatrick (two) and Mark McClurg for Trinity.
At Les Quennevais, Rob Harrop hit the only goal in Beeches Old Boys’ 1-0 success against St Lawrence.
Grouville, Jersey Wanderers, St Brelade and Rozel Rovers won through to the semi-finals of the G4S Security Services Trophy.
Holders Grouville thrashed St Martin/SCF 13-0 at St Martin where Jason Byrne and Stewart Daynes scored four apiece while substitute Noel Smith hit a hat-trick.
Simon Stratford and Luc Le Mire were also on target.
Wanderers returned 5-2 victors from St Clement.
Matthew Munns and Scott Young hit doubles and Jon Chapman a single for the visitors with Wayne Shales and Adi Hick registering for the hosts.
St Brelade edged out St Peter 2-1 at St Brelade where Jason Gow and Mick Ozanne were on target for the hosts and Rab Campbell for the visitors.
The only game to go in to extra time was at St Ouen where Rozel Rovers won 3-2 after the scores were tied at 2-2 after 90 minutes.
Steve Le Moignan, Rob Lucas and Sean Anderton scored for Rozel and Dave Evans for St Ouen, whose other goal was an own goal.
The semi-finals at Les Quennevais on 23 February 2008 are: Jersey Wanderers v Rozel Rovers and St Brelade v Grouville.