Chargers install Wildcat offense at OTAsWritten byMichael GehlkenIt's been planned for about two months, coach Norv Turner said.But two days after signing running back Ronnie Brown, the Chargers coincidentally installed the Wildcat offense during the first 11-on-11 session of Wednesday's organized team activities.Brown is arguably the NFL's face to the Wildcat offense.In 2008, he and Ricky Williams ran the direct-snap sub-package in Miami under then-Dolphins coach Tony Sparano's direction. Its successful usage put teams on notice, inspiring copy-cat offenses around the league.In San Diego, the Chargers ran a "Wild Frog" variation with LaDainian Tomlinson.Brown, wide receiver Eddie Royal, running back Ryan Mathews and wide receiver Micheal Spurlock all took snaps Wednesday in the Wildcat.Turner said the Chargers practiced it as much to prepare their defense as their offense."But we've had big plays out of it," he added. "Two years ago, I think we had the biggest play in the league out of it. It was Legedu Naanee handing it to Darren Sproles (for 34 yards) in the Jacksonville game. It's something that if we feel gives us an advantage, we're going to run it."Brown said the keys to a successful Wildcat are having strong personnel, beginning on the offensive line, and "everyone on the same page.""There's a lot of athletes on this team," Brown said. "It makes it a lot easier, being a piece of the puzzle. You've got different guys running around. Defenses don't have that one guy to focus on."You've got guys like Ryan Mathews, Eddie Royal and (Antonio) Gates. With guys everywhere, it's like, 'Who do I focus on? Who do I set the defense to?' It makes it kind of tough."