Douglas Royal have been relegated from the Canada Life Premier League.
Last season’s Division Two champions went down 7-0 at St Mary’s to confirm their immediate exit from the top flight.
Four goals from Stephen Priestnal, including a quick-fire hat-trick, did most of the damage.
Tom Weir, Marc Priestnal and Dominic McCreevey notched the others for the Saints.
The battle to avoid the other relegation place remains on a knife edge after Gymns edged a seven goal thriller at Michael to close the gap on their western rivals.
Kieran Quinn headed Michael in front but Gymns hit back after the break and were soon in front, thanks to Mark Reece and Mark McCarrick.
Matthew Brand levelled the scores before an own goal and Peter Lewis ensured the sides were level at 3-3.
It was left to veteran Roger Davies to grab what could be a crucial winner.
With title favourites St George’s not in action, Old Boys extended their lead at the summit.
Doubles from Sean Gavin, Callum Stewart and Craig Stewart, plus a Robbie Ward penalty, fired them to a 7-3 victory at Ayre.
The Tangerines battled hard but were always up against it after being reduced to 10 men in the opening stages.
They found the net through Sean Kelly, Jason Craine and an own goal.
Peel remain third and kept alive their outside title hopes with a 3-1 home success over Corinthians – Danny Bell (two, one pen) and Kerron Christian were their marksmen.
Danny Gerrard scored for Corinthians who finished with 10 men.
Ashley Webster notched the only goal at Glen Road as Laxey defeated reigning champions Rushen, while the other southern side slipped to defeat as Castletown were beaten 2-1 at Ramsey.
Matty Kelly and Matty Skillicorn got their goals with Ashley Sansbury on target for Town.