Club 4100, the Brooklyn Park restaurant and bar that once hosted football legend Johnny Unitas and his fellow Colts, failed to sell at a public auction this week because no bids reached the owners' reserve price.

Whether the popular 48-year-old eatery will be put up for auction again or sold in private remains uncertain. But co-owner Manny Spanomanolis said it is likely Club 4100 will be sold privately, though he wouldn't identify any specific buyers.

The auction attracted only a few serious bidders, though spectators flocked to the event. By 11 a.m. Thursday, a crowd more than 150, including TV news crews, had gathered...