I update my CFP projections for SEC's playoff contenders

Welcome to SEC Unfiltered , the USA TODAY NETWORK's newsletter on SEC sports. Look for this newsletter in your inbox Monday through Friday . Today, national college football columnist Blake Toppmeyer takes over:

In the preseason, I gave you my Topp-O-Meter projections for each SEC team's playoff chances , but four weeks into the season, it's time for an update.

Here's the latest data from the Topp-O-Meter, my highly scientific computer. Percentages reflect each team's chance of qualifying for the playoff.

Texas

Topp-O-Meter playoff percentage: 94.4%

(Preseason percentage: 79.1%)

The Longhorns look great. They don't have one good quarterback. They have two. They're one of the nation's most physical teams, too.

Georgia

Topp-O-Meter playoff percentage: 87.4%

(Preseason percentage: 87.4%)

The Topp-O-Meter isn't scared off by Georgia's sluggish win at Kentucky. If the Bulldogs lose at Alabama on Saturday, though, this lofty percentage would dip.

Tennessee

Topp-O-Meter playoff percentage: 71.4%

(Preseason percentage: 33.3%)

The Vols are in great shape to finish at least 10-2. If they get to 11 wins, they're in the playoff for sure. But, if they're 10-2 and their best win is at Oklahoma, would that be enough to earn an at-large bid? Probably, but not certainly.

Ole Miss

Topp-O-Meter playoff percentage: 66.2%

(Preseason percentage: 59.1%)

The Rebels crushed every opponent throughout four weeks. They've got one of the easiest schedules of any SEC playoff contender. Would it be enough to beat Oklahoma and lose to Georgia and LSU and finish 10-2? Like Tennessee, Ole Miss' shaky schedule strength could be its biggest hurdle to qualification.

Alabama

Topp-O-Meter playoff percentage: 63.3%

(Preseason percentage: 57.1%)

Alabama looked great in crushing Wisconsin. Trouble is, its schedule is difficult. The Crimson Tide will play five teams currently ranked, including No. 1 Georgia on Saturday. It's plausible to think Alabama could lose three of those five big games and come up short at 9-3.

Missouri

Topp-O-Meter playoff percentage: 14.1%

(Preseason percentage: 34.3%)

Factors working against Missouri: A soft schedule could leave them particularly vulnerable if the bubble becomes crowded. Also, despite a 4-0 record, the Tigers haven't looked particularly dominant. They struggle on the eye test more than some other contenders.

LSU

Topp-O-Meter playoff percentage: 14.0%

(Preseason percentage: 35.3%)

The Tigers' opening loss to Southern Cal reduced their margin for error, and the defense hasn't shown enough substantial improvement to make a playoff bid likely.

Texas A&M

Topp-O-Meter playoff percentage: 4.4%

(Preseason percentage: 13.8%)

The Aggies still aren't good on offense, and they're already saddled with a loss to Notre Dame. They're a bowl team, not a playoff team, in Year 1 under Mike Elko.

Oklahoma

Topp-O-Meter playoff percentage: 0.6%

(Preseason percentage: 14.1)

Already hampered by a loss and facing a brutal schedule, the Sooners probably will be eliminated from the playoff conversation before Halloween.

As for Arkansas, Auburn, Florida, Kentucky, Mississippi State, South Carolina and Vanderbilt?

Topp-O-Meter playoff percentage: 0.0%.

Blake Toppmeyer is the USA TODAY Network's national college football columnist. Email him at BToppmeyer@gannett.com and follow him on Twitter @btoppmeyer .

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This article originally appeared on USA TODAY: I update my CFP projections for SEC's playoff contenders