[...] that training camps are underway, team owners and fantasy football fans alike are holding their collective breath, praying to reach the regular season with their rosters intact. The Ravens lost cornerback Aaron Ross for the season with a torn Achilles tendon, a mishap that occurred during his conditioning test. Some strength and conditioning coaches such as Denver's Luke Richesson apply modern workout techniques like those used in mixed martial arts in their specialized programs. "Really, regardless of what time of the year, as a head coach and an organization, you hold your breath," said Broncos coach John Fox, who stood on the sideline at the Super Bowl alongside five defensive starters, including Von Miller, in street clothes. Football is combative and injuries are part of the game, whether it's the offseason, training camp, regular season or even in the playoffs. Held out of organized team activities to continue his recovery from a foot injury, Weatherspoon was running under the supervision of the team's medical staff when he tore an Achilles tendon last month. "First of all, the players, we're really concerned ...