John E. Williams III has been a San Francisco 49ers fan since John Brodie was throwing touchdown passes at Candlestick Park in the 1970s. So he was excited about the prospects of scoring a ticket to make the trip to Seattle in January to watch the rivals battle in the NFC Championship Game. But the Las Vegas man says in a $50 million lawsuit against the NFL that his hopes were dashed by the league and others he accuses of engaging in ''economic discrimination'' with an illegal ticket policy limiting credit-card sales to selected pro-Seattle markets. His lawsuit filed in U.S. District Court in Las Vegas says it was part of an effort to keep 49er fans away and further promote the Seahawks' boisterous home-field advantage at CenturyLink Field. More...