Everyone talks quarterbacks and play callers, but special teams may be the most overlooked story of the season.

Brett Kollmann and Trevor Sikkema break down how kickoff rule changes, field position battles, and the kicking game are becoming major factors through the first month of the NFL season. Then they preview the biggest Week 4 games, highlighting the matchups, trends, and X-factors that could determine who comes away with a win.

From league-wide tendencies to game-changing moments, we've got everything you need before kickoff.