An unpredictable first half of the college football season has plenty of teams celebrating unexpected Top 25 appearances.
No. 18 Memphis is in the poll for just the second time ever. No. 22 Temple is making its first appearance since 1979. No. 19 Toledo and No. 21 Houston give the Top 25 a couple more representatives from conferences that aren't part of the Power Five. No. 25 Pittsburgh was picked to finish sixth out of seven teams in the Atlantic Coast Conference Coastal Division before the season.
Here's a closer look at each of these five surprise entries in the Top 25.
No. 18 Memphis (6-0, 2-0 American Athletic Conference)
Names to know: Quarterback Paxton Lynch leads an offense that averages 46 points per game Lynch has completed over 70 percent of his throws with 13 touchdown passes and only one interception. Justin Fuente, a former TCU offensive coordinator, is one of the nation's top coaching prospects.
Remaining schedule: Friday at Tulsa, Oct. 31 vs. Tulane, Nov. 7 vs. Navy, Nov. 14 at No. 21 Houston, Nov. 21 at No. 22 Temple, Nov. 28 vs. SMU.
No. 19 Toledo (6-0, 3-0 Mid-American Conference)
Names to know: Terry Swanson has rushed for 472 yards while averaging 7.9 yards per carry. Kareem Hunt, who rushed for 1,631 yards last year, is back after missing three games due to a suspension and a hamstring injury. Alabama transfer Phillip Ely has thrown for 10 touchdowns and 1,379 yards. Orion Jones has nine tackles for loss and five sacks.
Remaining schedule: Saturday at Massachusetts, Nov. 3 vs. Northern Illinois, Nov. 10 at Central Michigan, Nov. 17 at Bowling Green, Nov. 27 vs. Western Michigan.
No. 21 Houston (6-0, 3-0 American)
Names to know: Quarterback Greg Ward Jr. has 14 touchdown runs to match LSU's Leonard Fournette for first place among all Football Bowl Subdivision players. Ward is the only FBS player to average over 200 yards passing and 100 yards rushing per game. Steven Taylor has eight sacks and 13 tackles for loss. Demarcus Ayers has 46 catches for 562 yards.
Remaining schedule: Saturday at Central Florida, Oct. 31 vs. Vanderbilt, Nov. 7 vs. Cincinnati, Nov. 14 vs. Memphis, Nov. 21 at Connecticut, Nov. 27 vs. Navy.
No. 22 Temple (6-0, 3-0 American)
Names to know: Jahad Thomas has rushed for 756 yards to lead the American, and he also has 10 touchdown runs. Tyler Malakevich has 52 tackles and three interceptions. He also recorded three of Temple's 10 sacks against Penn State.
Remaining schedule: Thursday at East Carolina, Oct. 31 vs. No. 11 Notre Dame, Nov. 6 at SMU, Nov. 14 at South Florida, Nov. 21 vs. No. 18 Memphis, Nov. 28 vs. Connecticut.
No. 25 Pittsburgh (5-1, 3-0 Atlantic Coast Conference)
Names to know: Tyler Boyd has 41 catches for 396 yards. No other Panther has more than 12 catches or 184 yards receiving. Qadree Ollison has rushed for 559 yards and averages 5.9 yards per carry.
Remaining schedule: Saturday at Syracuse, Oct. 29 vs. North Carolina, Nov. 7 vs. No. 11 Notre Dame, Nov. 14 at Duke, Nov. 21 vs. Louisville, Nov. 27 vs. Miami.
This article was written by Steve Megargee from The Associated Press and was legally licensed through the NewsCred publisher network.