Derrick Harmon (defensive tackle)

This article is about the defensive tackle born 2003. For the running back born 1963, see Derrick Harmon (running back).

Derrick Harmon (born August 3, 2003) is an American professional football defensive tackle for the Pittsburgh Steelers of the National Football League (NFL). He played college football for the Michigan State Spartans and Oregon Ducks. Harmon was selected by the Steelers in the first round of the 2025 NFL draft.

Derrick Harmon

Harmon with the Pittsburgh Steelers in 2025
No. 99 – Pittsburgh Steelers
Position:	Defensive tackle
Personal information
Born:	(2003-08-03) August 3, 2003 (age 22) Detroit, Michigan, U.S.
Height:	6 ft 4 in (1.93 m)
Weight:	313 lb (142 kg)
Career information
High school:	Loyola (Detroit)
College:	Michigan State (2021–2023) Oregon (2024)
NFL draft:	2025: 1st round, 21st pick
Career history
Pittsburgh Steelers (2025–present)
Roster status:	Active
Career highlights and awards
Second-team All-Big Ten (2024)
Stats at Pro Football Reference

Early life

Harmon was born on August 3, 2003, in Detroit, Michigan.^[1] He attended Loyola High School. He was a three-star recruit and committed to play college football for the Michigan State Spartans over offers from schools such as Memphis Tigers, Ole Miss, and Purdue.^[2]

College recruiting information

Name	Hometown	School	Height	Weight	Commit date
Derrick Harmon Defensive lineman	Detroit, Michigan	Loyola	6 ft 5 in (1.96 m)	359 lb (163 kg)	N/A
	Recruit ratings: Rivals:    247Sports:    ESPN:    (77)
Overall recruit ranking:
Note: In many cases, Scout, Rivals, 247Sports, On3, and ESPN may conflict in their listings of height and weight. In these cases, the average was taken. ESPN grades are on a 100-point scale. Sources:

College career

Michigan State

As a freshman at Michigan State in 2021, Harmon played in four games to preserve his redshirt.^[3] In 2022 he played in 12 games making five starts, where he tallied 30 tackles with three of which were for a loss, and two sacks.^[4] In 2023, Harmon posted 40 tackles with three and a half being for a loss, a sack and a half, a pass deflection, and a forced fumble.^[3] After the season, he entered his name into the NCAA transfer portal.^[5] However, he withdrew his name a month later.^[4]

Oregon

On May 3, 2024, Harmon transferred to the Oregon Ducks.^[6] He started all 14 games that season, and was named to the second-team All-Big Ten team by the media and received second-team Associated Press All-American honors.^[7]

Professional career

On January 6, 2025, Harmon declared for the 2025 NFL draft.^[8]

Pre-draft measurables

Height	Weight	Arm length	Hand span	40-yard dash	10-yard split	20-yard split
6 ft 4+1⁄2 in (1.94 m)	313 lb (142 kg)	34+3⁄8 in (0.87 m)	10+3⁄8 in (0.26 m)	4.95 s	1.74 s	2.89 s
All values from NFL Combine[9][10]

During the 2025 NFL draft, Harmon was selected by the Pittsburgh Steelers in the first round with the 21st overall pick.^[11]

Personal life

Harmon's mother, Tiffany Saine, suffered a stroke during his freshman year at Michigan State. She was on life support when Harmon was drafted by the Steelers, and died shortly after he came to the hospital to tell her about his selection.^[12]