Jags lose LB Peterson to knee injury NFL.com wire reports JACKSONVILLE, Fla. (Aug. 26, 2006) -- The Jacksonville Jaguars probably will have to start the season without leading tackler Mike Peterson. The team's middle linebacker and emotional leader sprained the medial collateral ligament in his right knee in the 29-18 loss against Tampa Bay and likely won't be ready for the season opener Sept. 10 against Dallas. Peterson led the team in tackles during each of his first three seasons in Jacksonville. He had a career-high 190 tackles and six sacks last year. He also had three interceptions, including one for a touchdown. Peterson hurt his knee on Tampa Bay's opening drive. He left the game, went to the locker room for tests and did not return. He walked out of the stadium on crutches, but was clearly disappointed. "I don't know, man," Peterson said when asked about his return. "I don't know."