On the final drive for Permian there is an incomplete pass, but the camera cuts to the game clock prior to the next play and the clock is running (0:54 left).
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.
When Boobie gets hurt, we see a close up of his knee and hear a crack. The knee we see is his right knee. In later shots, it is his left knee that is hurt.
When Boobie Miles is having his MRI explained to him, he angrily grabs it off the display. But it's back on there a few seconds later, and then it's gone yet again.
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.
Dallas Carter beat Converse Judson in the Texas 5A Championship Game, not Odessa Permian. However, their championship was later stripped from them because of eligibility rules violations.
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.
"Boobie" is on his front porch watching the trash being picked up, Odessa has alleys and dumpsters for trash pickup, not curbside pickup.
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.
Boobie's number in his Senior year was 35, not 45 as in the movie.
During the final seconds of one of the games, they complete a 1st down which should stop the clock but the clock keeps running down.
Mike WInchell receives a recruiting visit from Kansas Wesleyan University. One of the coaches says there are a Division 2 program. In actuality, Kansas Wesleyan is a non-scholarship NAIA program.
Driving home after the loss to Midland, the father throws his state championship ring out the window and the son turns the car around and starts looking for it on the wrong side of the road.
Numerous players in the movie were seen wearing Under Armour accessories. Under Armour did not appear until 1997.
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.
In the state championship game, several of the Dallas players have Oakley shields on their helmets. Oakley did not make helmet shields in 1988.
At the beginning of the film as Mike is going over plays with his mother a prescription bottle is briefly shown with a fill date of December, 2003 yet the movie is set in 1988.
At the first football game (against Marshall), the logo on the bass drum in the marching band is from the 2004 Rose Parade - you can make out the date and city on the bottom of the drum.
During the Midland Lee game, the game announcer in the Peach seat (Jeffrey Gibbs) can be seen talking out of sequence with the audio.
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.
As Boobie enters his Uncles car, after saying goodbye to the team, you can see the transmitter and cable for his wireless microphone attached to his belt at his back.
When James "Boobie" Miles is getting in the car after he cleans out his locker, you can see a microphone on his back and the wire.
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.
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 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).
When the announcer of one of the regular season games claims its 2nd down, the scoreboard reveals it is 3rd down.