NFL Week 2: Big questions, risers, fallers and takeaways

Welcome to Week 2 of the NFL regular season. Another week, another painstaking process of trying to figure out which teams are among this season's elite.

The Bills' offense came alive against the Raiders, while Chris Jones was the difference-maker in the Chiefs' win over the Jaguars. Colts rookie quarterback Anthony Richardson left Sunday's game against the Texans in the first half with a concussion, and the Seahawks and Titans both pulled off overtime victories.

In the late window, the Giants tied their franchise record for biggest comeback against the Cardinals after being down 20-0 at halftime, the 49ers outlasted the Rams and the Cowboys are 2-0 with a win over the Zach Wilson and the…