Selected in the third round (94th overall) of the 2019 NFL Draft by the Buccaneers.
Has played in 70 games with 51 starts, totaling 247 tackles (six for loss), 45 passes defensed, seven interceptions (returned 93 yards, one touchdown), two fumble recoveries and four special teams tackles.
Started eight-of-nine postseason games, recording 45 tackles (one for loss), eight passes defensed and one forced fumble.
Since 2019, has recorded 45 passes defensed, 23rd-most in the NFL during that span. Has five games with at least four passes defensed in that span, the most such games in the NFL.
In 2019, tied for fourth in the NFL in passes defensed (17). Posted three separate games with at least four passes defensed, the most such games in a single season since 2000.
Tampa Bay's 2020 defense led the league in rushing yards allowed per game (80.6) and yards allowed per rush (3.60), while ranking sixth in yards allowed per play (5.12), sixth in yards allowed per game (327.1), ranking tied for second in tackles for loss (91), tied for fourth in sacks (48.0) and tied for fifth in takeaways (25).
Made first career start at Atlanta (11/24/19), recording a career-high five passes defensed, tied for the most in a single game in the NFL in 2019 and tied for the most by a Buccaneers player in a single game since 2007 (also Carlton Davis, 2019 at Atlanta).
Scored first career touchdown on a 32- yard interception return from Green Bay Packers QB Aaron Rodgers (10/18/20).
Recorded first career interception against Arizona (11/10/19).
Made NFL debut vs. San Francisco (9/8/19).
Played 63-of-64 defensive snaps in the Week 1 victory at Minnesota, finishing with five tackles.
Played 52-of-53 defensive snaps in the Week 2 victory over Chicago, finishing with eight tackles.
In Week 3 vs. Philadelphia, played 37-of- 78 defensive snaps, finishing with three tackles before leaving with injury.
Was inactive for Week 4 at New Orleans.
Played all 70 defensive snaps in Week 6vs. Detroit, finishing with six tackles.
In Week 7 vs. Atlanta, played 64-of-65 defensive snaps and finished with a career-high 10 tackles and his first career fumble recovery.
Played all 69 defensive snaps in Week 8 at Buffalo, finishing with eight tackles and a then-season-high two passes defensed.
In Week 9 at Houston, played 10 snaps before leaving with injury.
Played all 63 defensive snaps in the Week 10 victory over Tennessee, logging five tackles and one pass defensed. Covered Titans wide receiver DeAndre Hopkins on 17 routes and allowed just one reception for seven yards.
In Week 11 at San Francisco, played 35- of-60 defensive snaps, logging three tackles before leaving with injury.
Was inactive for Weeks12-14.
Played all 60 defensive snaps in the Week 15 victory at Green Bay, finishing with three tackles.
In the Week 16 victory over Jacksonville, started and played all 66 defensive snaps, finishing with four tackles.
Played all 70 defensive snaps in Week 17 vs. New Orleans, logging three tackles and one pass defensed.
In the Week 18 victory at Carolina, played all 52 defensive snaps and logged three tackles and one fumble recovery. Contributed to a defense that recorded Tampa Bay's first shutout since Nov. 21, 2010 at San Francisco.
In the Wild Card round victory over Philadelphia, started at cornerback and finished with a team-leading and a career- high-tying 10 tackles (one for loss), and one pass defensed. It marked the fifth time in Dean's eight career postseason games played that he had recorded at least one pass defensed.
In the Divisional round contest at Detroit, played 54-of-73 defensive snaps and recorded five tackles and three passes defensed. His three passes defensed marked a new postseason career high and were tied for his sixth-most in a single game in his career.
Played in 26 career games at Auburn (2015-18), totaling 73 tackles (4.5
for loss), 17 passes defensed, two interceptions, and a sack.
Entering the 2018 season, Dean was a preseason All-SEC second-team selection. On the year, he tied for the team lead in interceptions, with two, while posting the second-most passes defensed, with nine.
As a redshirt sophomore (2017), tallied 43 tackles (2.5 for loss) and eight passes defensed, the second-most on the team, trailing only current Buccaneers teammate Carlton Davis.
Suffered an injury prior to the 2016 season, missing the year.
Redshirted as a true freshman (2015).
Received a bachelor's degree from the College of Liberal Arts in May, 2018.
Attended Cocoa High School (Cocoa, Florida), where he was a two-time Florida first-team Class 4A all-state pick and was named the 2014 Brevard County player of the year and the Florida Athletic Coaches Association's District 12 MVP.
Son of Yolanda Kimbrough and James Dean.
Has four brothers: Derrick Jr., James Jr., Jamaine and Jayden.
In 2020, supported RISE as part of the NFL's My Cause, My Cleats initiative.
In June 2019, Dean participated in Tampa's Police Department Citizen's Academy and visited MacDill's Air Force Base as part of the rookie's program.