NFL Back in Business: The deal reached Monday between the NFL players and management starts the most frenzied preseason in league history. Rookies can sign contracts today, training camps open for 10 teams Wednesday, other free agents can sign Friday and the first preseason games kick off Aug. 11. "Depending on which side you're on, then, it's either ironic or terrifying that this year's group of free agents is pretty bad," writes Grantland's Bill Barnwell in a free agency primer. He calls Oakland Raiders cornerback Nnamdi Asomugha the only "can't-miss" among them and "arguably the best player at any position in football over the past four seasons." At a news conference yesterday, Indianapolis Colts center Jeff Saturday hugged New England Patriots owner Bob Kraft, whose wife, Myra, died last week of cancer. "A special thanks to Myra Kraft, who even in her weakest moment allowed Mr. Kraft to come and fight this out," Saturday said. "Without him, this deal does not get done. ... He's a man who helped us save football."