TeamRankings.com: 7th
FootballOutsiders: 15th (17th offense, 11th defense)
Pro Football Focus: 8th (23rd offense, 10th defense)
Pro-Football-Reference: 8th (7th offense, 17th defense)
Also note that all these sites rate the Rams' strength of schedule through week 6 as top 5 toughest in the league.