Isaac Rex

Isaac Rex (born August 4, 1998) is an American professional football tight end. He played college football for the BYU Cougars.

Isaac Rex

Personal information
Born:	(1998-08-04) August 4, 1998 (age 27) San Clemente, California, U.S.
Height:	6 ft 5 in (1.96 m)
Weight:	247 lb (112 kg)
Career information
Position:	Tight end
High school:	San Clemente
College:	BYU (2019–2023)
NFL draft:	2024: undrafted
Career history
Detroit Lions (2024)* Los Angeles Chargers (2024)*
* Offseason and/or practice squad member only
Stats at Pro Football Reference

Early life and high school

Rex attended high school at San Clemente. He was a two-sport standout and received honors and college attention for both football and basketball. He was San Clemente’s Athlete of the Year. Coming out of high school, Rex was rated as a three-star recruit where he held offers from schools such as BYU, Oregon State, Utah, and Utah State.^[1] Ultimately, Rex committed to play college football for the BYU Cougars.^[2][3]

College career

During the 2019 season, Rex redshirted after playing in three games, making one catch for 23 yards.^[4] During the 2020 season, Rex hauled in 37 receptions for 429 yards and 12 touchdowns.^[5] For his performance on the season, Rex was named a Freshman All-American.^[6][7] In the 2021 season, Rex totaled 18 receptions for 191 yards and three touchdowns before suffering a season ending ankle injury versus USC.^[8] During the 2022 season, Rex notched 22 receptions for 320 yards and six touchdowns.^[9] In week two of the 2023 season, Rex caught four passes for a career high 112 yards and a touchdown in a win over Southern Utah.^[10] In week 12, Rex broke the BYU tight end touchdown record as he pulled in his 23rd career touchdown on a 26 yard reception against Iowa State.^[11] In the 2023 season finale, Rex hauled in three receptions for 23 yards, but fumbled in double overtime which cost the Cougars the game as they lost 40-34 against Oklahoma State.^[12] During the 2023 season, Rex tallied 34 receptions for 422 yards and three touchdowns.^[13]

Professional career

Pre-draft measurables

Height	Weight	Arm length	Hand span	40-yard dash	10-yard split	20-yard split	20-yard shuttle	Three-cone drill	Vertical jump	Bench press
6 ft 5+3⁄8 in (1.97 m)	247 lb (112 kg)	32 in (0.81 m)	9+3⁄4 in (0.25 m)	4.94 s	1.75 s	2.84 s	5.00 s	7.35 s	27.0 in (0.69 m)	24 reps
All values from Pro Day[14][15]

Detroit Lions

Rex signed with the Detroit Lions as an undrafted free agent on April 27, 2024, but was waived on May 16.^[16][17]

Los Angeles Chargers

Rex signed with the Los Angeles Chargers on August 22, 2024.^[18] He was waived on August 27.^[19]

Personal life

Rex is the son of former All-America BYU tight end, Byron Rex. He is married to former Utah Valley University volleyball star Lexi (Davies) Rex and they have one son.^[20]

Rex is a member of the Church of Jesus Christ of Latter-day Saints and served a mission for the church in Samoa.^[21]