There’s no questioning that Las Vegas needed to make a change. But it’s the move the Raiders made that raised some eyebrows. The Raiders mysteriously parted ways with Germaine Pratt , one of the team’s premier linebackers, just four games into the season. Head coach Pete Carroll announced the move Monday after Pratt did not travel with the Raiders ahead of Sunday’s 40-6 blowout loss to the Indianapolis Colts at Lucas Oil Stadium. Carroll kept his reasoning ambiguous, telling reporters that the