In the first half of the state championship game, quarterback Winchell is seen being tackled with a large bloodstain on his jersey, and in subsequent shots the stain is removed. He later gets the injury that results in the stain during the last play of the first half.
The drums each high school's band used were what's called "free floating" drums. These keep the top head stretched over a separate metal hoop, away from the wood shell. They were designed when bands started using Kevlar drum heads which had to be stretched so tightly they were literally crushing the wood shells. These were not invented and used popularly until the mid-1990s.
During scene, the camera shows the parking lot. The first 10 or 15 rows of cars in the WalMart parking lot are 80's cars, but there's a white 2000's model Suburban along with other modern cars behind them.
In the beginning of the movie when the college scouts are looking at Boobie. They are all wearing the current revised logos of their respective universities. In 1988, the University of Miami's logo was not that same as it is now.
The first round playoff game was against Dallas Jesuit, which was a TAPPS team until 2003 and would not be participating in a UIL tournament. In the 88/89 season Carter defeated Permian in the semi-finals and then went on to best Judson for the state title.
In the Permian vs. Cooper game. Comer catches the ball from Mike Winchell before his first touchdown after his first carry. As he runs down the field the radio announcer says "Comer crosses, the twenty, the thirty, the forty, the fifty." After he says the fifty they show a shot of Comer and the numbers on the turf showed that he had only just crossed the thirty-yard line.
When they are previewing the state championship game, the TV announcer says, "It is rumored that six of their players have already signed Division 1 letter of intents." It is against NCAA rules to sign a letter of intent before national letter of intent day. National letter of intent day is always on the first Tuesday in February.
When the two teams are entering the Astrodome, an announcer says "East Texas meets West Texas." While Odessa is considered to be in West Texas, Dallas (where Dallas Carter H.S. is located) does not consider itself to be East Texas, but rather North Texas (or even north central Texas).
In the State Championship game, when one of the Permian "Mojo" Panther players makes an interception the commentator says "He returns it inside the Mojo 5." The "Mojo 5" would have actually been the opposite side of the field. He should have said inside the Carter 5.
When Permian takes the field at the Astrodome, only a handful of the players' jerseys have names on the back. However, during the halftime locker room speech, all the players have their last names on the back of their jerseys.
In the Championship game on the last play when Winchell is showed juking and spinning off defenders, the same defender #20 is showed attempting to tackle him 4 times after falling down and being knocked down many times before.
In the final drive of the game against Midland Lee, Winchell completes a pass to the Lee 10 yard line. On the next play, Permian is back at the 40 and Winchell completes a pass that goes to the 20. On the following play, the same clip of a Permian player making a catch at the 10 yard line is used, only from a different angle.
In the scene before day one of preseason in Coach Gaines' office while he is watching film, they show the magnet depth chart behind him. Chris Comer is listed as second string directly behind Boobie Miles yet in the interview Comer claims he is third string.
After the State Championship game Don Billingsley's father Charlie approaches him. In the first shot Don has gloves on his hands. There is then a close up and his father then puts his state championship ring on Don's finger and his hands are bare. The shot after that it shows Don with his father again and his gloves are once more.
When Booby Miles is cleaning out his locker, his knee brace is on his left leg in the first part of the scene, then it is on his right leg in the middle of the scene, then switches back to his left leg at the end of the scene.
After the final game, when Gaines is removing the seniors' names from the board and dropping them in a desk drawer, Christian's name tag can be seen already in the drawer. In the next shot, Christian's name is the one removed.
When departing Odessa for the game in the Houston Astrodome, the coach tells a player that "we have a six hour ride" when in reality it would take at least eight to nine hours to drive the 500 miles from Odessa to Houston.
Late in the 4th quarter of the championship game, the quarterback Winchell throws an incomplete pass. Immediately thereafter, a cut-away shot shows the game clock still running. In football, the game clock stops after an incomplete pass.
During the championship game against Carter, the announcer refers to the Carter quarterback as 'Whitaker' when in fact the quarterback was Robert Hall who went on to break several records as a quarterback at Texas Tech University.