Oklahoma State wide receiver James Washington (28) leaps up for a pass in front of TCU safety Nick Orr (18) in the third quarter of an NCAA college football game in Stillwater, Okla., Saturday, Nov. 7, 2015. Washington took the pass into the end zone for a touchdown and Oklahoma State won 49-29. (AP Photo/Sue Ogrocki)

TCU’s loss to Oklahoma State on Saturday proved costly for the Frogs, who tumbled from No. 8 to No. 15 in Tuesday’s playoff rankings.

Clemson remained at No. 1, but the landscape of the top four featured several changes.

Alabama jumped from No. 4 to No. 2 after knocking off previous No. 2 LSU in Tuscaloosa, Alabama on Saturday. The Tigers fell all the way to No. 9.

Ohio State remained at No. 3, while Notre Dame cracked the top four, taking over the final spot after being ranked No. 5 last week.

The rankings showed perhaps even less love for the Big 12 than last Tuesday, as the conference once again failed to crack even the top five despite housing two undefeated teams. Oklahoma State took over the Frogs’ previous spot at No. 8, while Baylor remained at No. 6, with Iowa taking over the No. 5 spot. The Oklahoma Sooners scooted up to No. 12 after defeating Iowa State in Norman, Oklahoma, on Saturday.

Also notable was how Michigan State and two-loss Michigan finished ahead of the Frogs, coming in at No. 13 and 14. The previously No. 7 Spartans only fell six spots despite losing to 3-6 Nebraska in Lincoln on Saturday. Meanwhile the Frogs fell seven spots after losing to an undefeated Oklahoma State team.

There are still four weeks of college football left before the committee releases its final rankings, but it appears the Big 12 is in more trouble than many predicted it would be.

Rounding out the CFP Top 10

  1. Clemson
  2. Alabama
  3. Ohio State
  4. Notre Dame
  5. Iowa
  6. Baylor
  7. Stanford
  8. Oklahoma State
  9. LSU
  10. Utah
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Dean Straka is a senior journalism major from Lake Forest, California. He currently serves as Sports Line Editor for TCU 360. His passions include golf, God, traveling, and sitting down to watch the big game of the day. Follow him on Twitter at @dwstraka49