Buffalo started the night tied with Magnolia for fourth place in Class A.
Tashem Collins rushed 17 times for 69 yards for Fayetteville (0-8).
Wayne (7-0) totaled 435 rushing yards against visiting Poca (2-6), which fell behind 36-0 before a 41-yard touchdown run by T.T. Loudin got the Dots on the scoreboard in the second quarter.
For Wayne, quarterback Grant Ferguson was 7 of 12 passing for 82 yards and also ran for a touchdown.
Loudin led Poca with 155 rushing yards on 17 carries. Quarterback Jacob Payne added 17 rushing yards and was 5 of 15 passing for 43 yards and an interception.
The Greyhounds (7-1), ranked No. 9 in Class A, were led by Cody Winter's 151 rushing yards on 25 attempts, including a touchdown. Darius Hutchinson added two touchdowns for Valley, including one in the fourth quarter after the Lumberjacks (3-5) had cut the Valley lead to 16-14.
For Richwood, Mike Adams ran for 99 yards on seven attempts and scored a touchdown.
Clay (4-4) led 27-7 through three quarters.
With Clay leading 14-7, Panthers quarterback Tyler Stewart hit Alex Burkhammer on a 50-yard TD pass and Lucas added a 23-yard TD run to seal the victory.
Rhys Jelich scored on a 7-yard run for the Red Devils (2-6).
Jacob Yanero scored on runs of 17 and 4 yards for Braxton (5-3), which entered the night tied for No. 13 in Class AA.
Webster, which started the game at No. 17 in AA, fell to 4-5.