ESPN Insider has planted "spies" in every NFL locker room -- OK, so they're our 32 NFL Nation team reporters -- in order to provide fantasy owners with inside intel to help you win your league. We call it Insider Trading, a collection of fantasy advice pulled straight from the locker rooms and practice fields of every team.

This Week 1 edition should help owners with setting their lineups, including tips on players poised for big weeks like Emmanuel Sanders and Brandin Cooks.

Here is our NFL Nation reporters' fantasy advice for every team in Week 1.

NFC West

St. Louis Rams: Stacy might not be a workhorse

While the Rams continue to list running back Zac Stacy as the starter -- and he probably will be against the Vikings in Week 1 -- general manager Les Snead said on local radio this week that he expects the offense to go with the "hot hand" in a given week at running back. Benny Cunningham started in Stacy's place in the third preseason game against Cleveland and both backs should get opportunities against Minnesota. Plan your fantasy rosters accordingly. -- Nick Wagoner