The Melbourne hooker struck a dramatic golden point drop-goal to give his side victory over last year’s beaten Grand Finalists Manly, before agreeing a four-year extension to his current Storm contract.
His Cronulla outfit lost 18-12 at home to Gold Coast, and Gallen had to leave the pitch after just 30 minutes due to an ankle injury, which scans have confirmed as a ligament problem.
Gallen will miss up to six weeks of action, and there has since been further bad news for Sharks fans.
Prop Andrew Fifita has announced that he will be leaving to join Canterbury in 2015, after the Bulldogs tabled an offer believed to be in the region of $3.4 million.
The former rugby sevens international was in imperious form for the Eels, helping them defeat NZ Warriors 36-16.
There were also first round wins for Brisbane, Penrith, North Queensland and St George Illawarra.
Round 1 results:
Canterbury 12-18 Brisbane (Mar 07, ANZ Stadium)
Penrith 30-8 Newcastle (Mar 08, Sportingbet Stadium)
Manly 22-23 Melbourne (Mar 08, Brookvale Oval)
North Queensland 28-22 Canberra (Mar 08, 1300SMILES Stadium)
Parramatta 36-16 NZ Warriors (Mar 09, Pirtek Stadium)
Cronulla 12-18 Gold Coast (Mar 10, Remondis Stadium)
Round 2 fixtures:
Manly v South Sydney (Mar 14, Central Coast Stadium)
Brisbane v North Queensland (Mar 14, Suncorp Stadium)
Melbourne v Penrith (Mar 15, AAMI Park)
Sydney Roosters v Parramatta (Mar 15, Allianz Stadium)
Gold Coast v Wests Tigers (Mar 16, Cbus Super Stadium)
Newcastle v Canberra (Mar 16, Hunted Stadium)
Canterbury v Cronulla (Mar 17, ANZ Stadium)