Erie scored four third period goals to eliminate Saint Johns from the tournament
The Windsor Spitfires will face-off against the Erie Otters in the Mastercard Memorial Cup final.
The Otters beat the Saint John Sea Dogs 6-3 Friday night at the WFCU Centre.
Taylor Raddysh scored a pair while Alex DeBrincat added three helpers.
The Sea Dogs went 1-3 in the tournament.
Sunday's final takes place at 7pm.
Tickets for the game are sold-out.
Windsor beat Erie earlier this week to advance to the final.