As Week 4 of the 2024 NFL season approaches, analysts provide insights into key stat trends, potential fantasy sleepers, and teams to watch for upsets. With a focus on players who are under-rostered in fantasy leagues, the article highlights critical matchups and player performances that could influence fantasy outcomes this weekend.

• Key stat trends could determine Week 4 winners.
• Fantasy sleepers include players rostered in fewer than 50% of leagues.
• Potential surprises and upset teams are highlighted for this week.