The Jacksonville Jaguars have made significant roster changes under first-year GM James Gladstone, who notably did not re-sign any unrestricted free agents from last season. The team welcomed 12 external free agent signings and fresh talent through the NFL draft and undrafted rookie signings. With nearly half the roster consisting of new players, it's crucial for fantasy enthusiasts to track the assigned jersey numbers of newcomers including WR Dyami Brown and QB Nick Mullens. These shifts could mean exciting opportunities for fantasy managers, particularly in roster construction and player evaluation as the season approaches.