SAN FRANCISCO -- A few weeks ago, this didn't appear to be a premier game.But the Carolina Panthers kept on winning. Now, before the San Francisco 49ers have to tangle with potential playoff opponents New Orleans and Seattle in the coming weeks, looms another major NFC test in the form of the Panthers on Sunday at Candlestick Park.This will be matchup featuring two of the hottest teams in the league. The 49ers have won five straight, the Panthers four straight.