|No. 4 – Tampa Bay Vipers|
|Born:||September 16, 1995|
|Height:||6 ft 6 in (1.98 m)|
|Weight:||232 lb (105 kg)|
|High school:||Bushland High School|
|* Offseason and/or practice squad member only|
Cornelius started as a 5th year senior for the Oklahoma State Cowboys football team in Stillwater, Oklahoma. His final home game in Boone Pickens Stadium was a dramatic come from behind victory over 9th ranked West Virginia on Senior Day.
High school careerEdit
He was born in Amarillo, Texas and grew up in Bushland, Texas. He went to Bushland High School where he completed 283 of 437 passes for 3,815 yards and 46 touchdowns his senior year, 270 of 503 passes for 3,219 yards and 23 touchdowns his junior year, and 167 of 325 passes for 2,140 yards and 19 touchdowns as a sophomore. He also played basketball, baseball, and track in high school. The Amarillo Globe-News chose him as their Athlete of the Year his senior year in high school. He is revered in his hometown.
Cornelius was a backup quarterback behind Mason Rudolph in 2016 and 2017. He was seldom used until his final year of eligibility. His receivers included Tylan Wallace and Tyron Johnson, a five-star recruit out of high school who transferred from LSU to Oklahoma State to play in a more wide open offense. Cornelius had five touchdowns against Texas.
At the beginning of the 2018 season, head coach Mike Gundy made it clear that Cornelius would be the starting quarterback over transfer Dru Brown and true freshman Spencer Sanders. In the first game of the season, Cornelius led the Cowboys to a 58-17 win over the Missouri State Bears, a game in which he threw for 300 yards and 5 touchdowns. His first real test came on September 15th in a game against the 17th ranked Boise State Broncos. Cornelius threw for 243 yards and 1 touchdown while adding the game-sealing touchdown on the ground. This win bumped the Cowboys up to number 15 in the Associated Press rankings. After losing 3 of the next 4 games, the Cowboys sat at 4-3 when the Texas Longhorns came to Stillwater. Cornelius shined on national TV, throwing for 321 yards and 3 touchdowns and adding 2 more rushing touchdowns en route to a 38–35 win. Two weeks later, the Cowboys went on the road to Norman, Oklahoma to take on the Oklahoma Sooners in the yearly Bedlam Series. Cornelius went toe-to-toe with future number 1 overall pick Kyler Murray. He threw for a Bedlam school record 501 yards and 3 touchdowns. On the last offensive play of the game, Cornelius under threw star wideout Tylan Wallace, ending any upset bid the Cowboys had going. The very next week on November 17, the 9th ranked West Virginia Mountaineers visited Stillwater for the final home game of the year. On Senior Day, Cornelius led Oklahoma State to a come from behind upset victory over the Mountaineers, out-dueling Will Grier. He threw for 338 yards and 5 touchdowns and had 106 yards rushing and 1 rushing touchdown. This is widely considered to be his greatest game as a Cowboy. After a season finale loss against TCU, Cornelius led the Cowboys to the Liberty Bowl against Drew Lock and the Missouri Tigers. The Cowboys would win this game to finish 7–6, with Cornelius throwing for 336 yards and 4 touchdowns.
He ended his 2018 season with 3,978 yards and 32 passing touchdowns, both ranked in the top 10 nationally. Cornelius is third in single season touchdowns at Oklahoma State, behind Mason Rudolph and Barry Sanders.
In October 2019, he was selected by the Tampa Bay Vipers in the 2020 XFL Draft. In his first career start during the second week, Cornelius passed for 154 yards with two interceptions, making 16 of his 27 pass attempts. Trailing by 8, Cornelius managed to get the Vipers to the Seattle 28 yard line, but threw an interception as time expired, securing a 17-9 victory for the Seattle Dragons. In his second start, against the unbeaten Houston Roughnecks, Cornelius was 16/31 throwing for 193 yards with 1 Touchdown and 1 Interception. He also ran for 33 yards and a score. In the end, Cornelius threw the game-sealing interception with about 1 minute left, leading to a 34-27 victory for Houston.  In week 4 the winless Vipers took on the DC Defenders. Cornelius was 24/31 throwing for 211 yards with 1 Touchdown and 1 Interception. He also rushed for 36 yards and a score. Led by a strong running game and solid defense, the Viper shutout the Defenders 25-0 for their first victory. In Week 5 against the 1-3 Los Angeles Wildcats Cornelius was 22/34 throwing for 300 yards with 2 Touchdowns and 2 Interceptions. he also ran for another score. Although holding a 24-6 lead in the second quarter, the Vipers were outscored 35-10 the remainder of the game. Late in the game, Cornelius led the Vipers to LA 7 yard line, but threw another game-sealing interception. LA hung on for a 41-34 victory.  Due to the ongoing coronavirus pandemic, the 2020 XFL Season was cut short after 5 games. The Vipers finished with a 1-4 record, in last place in the east division.
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- "Taylor Cornelius, Oklahoma State, Pro-Style Quarterback". 247Sports.com. Retrieved September 4, 2019.
- "Taylor Cornelius - 2018 - Football - Oklahoma State University Athletics". Oklahoma State Cowboys. Retrieved September 4, 2019.
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- Wright, Scott (November 16, 2018). "OSU football: Cornelius family excited to celebrate Taylor's final start at Boone Pickens Stadium". The Oklahoman. GateHouse Media. Retrieved September 4, 2019.
- Ruiz, Nathan (November 23, 2019). "OSU football: Flourishing Taylor Cornelius quieting critics". The Oklahoman. GateHouse Media. Retrieved September 4, 2019.
- Kolok, Jeremy (September 17, 2018). "Notebook: Gundy names Brown backup quarterback, expects Sinor to return against Texas Tech". The O'Colly. Retrieved April 30, 2019.
- "Taylor Cornelius Game by Game Stats and Performance". ESPN. Retrieved April 30, 2019.
- Clemens, Mike (May 6, 2019). "Rookie Mini Camp Complete". Bill Michaels Sports Talk Network. Retrieved October 23, 2019.
- Kruse, Zach (April 27, 2019). "Packers signing undrafted Oklahoma State QB Taylor Cornelius". USA Today. Packers Wire. Retrieved October 23, 2019.
- Bender, Bill (October 21, 2019). "XFL Draft picks 2019: Complete results, rosters, players for new football league". Sporting News. Retrieved October 23, 2019.