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The Chargers need to get nearly 67,000 signatures from registered voters in San Diego in order to put an initiative for public funding of a new stadium on the ballot this November.

They will kick off the process of getting those signatures this weekend. The team announced Tuesday that their Citizens’ Initiative campaign to provide funds for a new stadium and convention center will get underway at a rally on the site of the proposed buildings this Saturday.

Owner Dean Spanos, quarterback Philip Rivers and retired running back LaDainian Tomlinson will be on hand from the Chargers and NFL commissioner Roger Goodell will represent the league at the event. They’ll talk about the proposal and encourage voters to put their support behind the initiative.

The Chargers hope to have a a hotel tax hike approved in order to provide $350 million earmarked for the stadium. The team and the NFL would contribute $650 million of the $1 billion in costs for the proposed stadium with the addition of the convention center bringing the total bill up to $1.8 billion for the project.