Brett Favre, Steve McNair and Serena Williams are among the athletes contributing to relief for Hurricane Katrina victims as pledges roll in from across the country. Major League Baseball, the NBA and the Southeastern Conference will each donate $1 million to help the victims of Hurricane Katrina, with the two professional leagues committing to generate a total of $2 million in aid. MLB and its players' association and the NBA and its teams have each pledged $1 million to the American Red Cross. The National Basketball Players Association has also said it will raise $1 million for disaster relief. "Major...