Entering the second weekend of November, the American Conference has an extraordinary six-way tie at the top in the loss column among Navy, Memphis, South Florida, Tulane, North Texas and East Carolina. The race will get a little clarity after Friday’s clash between the Green Wave and Tigers, but the logjam still will be four or five teams deep by the end of Saturday.

The only other conference anywhere near as tight as the American is the Mid-American, which has a four-way tie at the top in the loss column. No other league has more than two.

Here are our latest power ratings:

1. Memphis

Record: 8-1 (4-1 American)

Previous rank: 2

Last week: Defeated Rice 38-14

This week: vs. Tulane, 8 p.m. Friday (ESPN)

Extra points: Though outside the top 25, the Tigers are above any other Gr

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