The NFL would like to have one or two teams in Los Angeles within the next two years, but the San Diego Chargers may try to block any attempts to move into the market.

The Chargers contend a relocated franchise to Los Angeles would significantly threaten the team’s business. The Chargers claim to receive up to 30 percent of their revenue from the Los Angeles market.

The Chargers have been the only team in Southern California since 1995, when the Rams moved to St. Louis and the Raiders left for Oakland.

The Raiders and Rams are free to move after this season and could be eyeing Los Angeles given the NFL’s long-standing efforts to find a stadium site there.

“Over the last 20 years, there hasn’t been a team in the L.A. market. We have reached out into that market and 25 to 30 percent of our business comes from the L.A. (and) Orange County areas,” Chargers owner Dean Spanos said Friday, according to the Sports Business Daily. “Putting a team in there right now, or two teams, would have a huge impact on our business going forward. So we are trying to protect our business in San Diego. … It would really be harmful to us.”

According to the Sports Business Daily, this marks the first time that the Chargers have revealed the amount of business they generate from the Los Angeles market, which sits 120 miles north of San Diego, with Orange County about 40 miles closer.

Spanos said he has shared his feelings with other owners and NFL commissioner Roger Goodell.

“I have talked to owners about it, they understand. I know the commissioner does,” Spanos said. “If you put another team in there to help that team and you hurt another team, what does that do? Right. If you put two teams in there, what will that do?”

Any relocation vote would require three-quarters of the owners to approve the team moving to a different city.

“Allowing another team to move into those markets would be economically harmful to the Chargers, to say the least,” said Mark Fabiani, special counsel to Spanos, according to ESPN.com. “Especially if it’s a team that has voluntarily vacated that market in the past, such as the Rams or the Raiders — that would be particularly objectionable to the Chargers.”