SAN DIEGO -- The city of San Diego spent nearly $1 million on Chargers tickets for Sunday's game against the Houston Texans, an official said Wednesday.

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The city bought 17,790 tickets for last weekend's game, in which the Chargers topped the Texans 24-3. At an average price of $55.78 a ticket, that amounted to $992,413, said city communications director Carl Nettleton.

The figures usually are available the Tuesday after a game, but Nettleton said a computer glitch caused a delay in their release.

Under a controversial clause in the Chargers contract, the city guarantees the team ticket sales of 60,000 per game.

The original agreement called for a rent credit for the unsold seats up to 60,000, but the city saves some money by buying the tickets before the game.

For a pair of preseason games, the city spent an apparent record $1.69 million for tickets to the Aug. 17 game against Seattle, and $1.68 million for the Aug. 10 game against Arizona.

The ticket guarantee has been in effect since 1997.