**By Tom Jones, Times Sports Writer** Saturday, January 26, 2013 _**tom jones' two cents**_ Throughout sports history, we've had brothers facing brothers. But we've never seen anything like we're going to see next week when two brothers coach against one another in the Super Bowl. • ** John Harbaugh** of the Ravens goes against **Jim Harbaugh** of the 49ers in a game that has become by far the biggest sporting event in this country. That makes this the greatest brother- versus-brother matchup of all time. • Through the ages we've seen plenty of brother acts. There are the DiMaggios, the Aarons and, of course, football brothers Ronde of the Bucs and twin Tiki of the Giants. We have had hockey twins (Sedins), NBA coaching brothers (Van Gundys) and even more baseball brothers -- the Alomars, Boones and Molinas among them. • A quick glance at 10 of the more intriguing matchups between brothers: **Eli and Peyton Manning** Though the Harbaughs coaching in the Super Bowl is a much-anticipated matchup, the one Super Bowl showdown NFL fans have always wanted to see is Eli and Peyton. It hasn't happened on that stage, and time is running out. Peyton turns ...