NFL Draft

2021 NFL Draft Player Profiles: Kentucky CB Kelvin Joseph

From now until the 2021 NFL Draft takes place, we hope to showcase as many prospects as possible and examine both their strengths and weaknesses. Most of these profiles will feature individuals that the Pittsburgh Steelers are likely to have an interest in, while a few others will be top-ranked players. If there is a player you would like us to analyze, let us know in the comments below.

#1 Kelvin Joseph/CB University of Kentucky 6’1” 192 

The Good

  • Possess the necessary long speed to carry receivers vertically with ease
  • Solid combination of fluid hips and solid length allow him to excel in press coverage
  • Showcases natural instincts with the ball in the air, consistently attacks the football at its apex
  • Comfortable playing through the receivers pocket at the catch point when out of phase
  • Shows great patience in both press and off coverage, allowing him to routinely compete on underneath and intermediate routes
  • Solid click and close ability out of his breaks, executes well from a T-step break with minimal wasted movement
  • Shows willingness to get involved as a run defender, displays solid fills off the edge in crack and replace situations
  • Physical player in coverage, is able to reroute receivers and use lengthy frame to box receivers out at the catch point downfield
  • Has potential to improve both in coverage and as a tackler with the help of an NFL strength program
  • Extremely polished in coverage for a 21 year old underclassmen with only one year of starting experience
  • Great presence in zone coverage, plays top down and attacks the football aggressively in the air

The Bad

  • Lacks functional strength, struggles at times to get off blocks in space, has a hard time bringing down larger backs and tight ends
  • Will need to improve tackling fundamentals at the next level, drops his eyes too often upon contact leading to occasional whiffs
  • Inconsistent eye discipline can cause him to allow separation against pivot routes and double moves
  • Struggled at times against larger framed players, namely Florida’s Kyle Pitts
  • With only one season of starter level production, teams may be scared off by lack of tape


  • 2020: 25 tackles, 1 TFL, 5 PD, 4 INTs 1 TD
  • Began his career in 2018 before transferring to Kentucky, redshirting in 2019, and playing in 2020 as a redshirt sophomore
  • Recorded 12 tackles and a PBU as a freshman at LSU, playing in 11 games primarily on special teams and in sub-packages
  • Four star prospect out of high school, scored a combined 13 touchdowns on interception, punt, and kickoff returns
  • Standout basketball player in high school as well

Tape Breakdown

In the wake of Cameron Sutton’s crucial resigning, cementing the Steelers with two outside starters and a starting caliber slot corner, depth at the position remains underwhelming with two unproven names in Justin Layne and James Pierre.  Today, we’ll look toward another mid round target at the position, Kelvin Joseph out of the University of Kentucky.  Although only producing one season of starter level tape, the 21 year old underclassmen showcased enough coverage ability and turnover production against high level SEC competition to warrant hefty draft buzz.

Gifted with ideal measurables and athleticism, Joseph is routinely able to carry receivers vertically with ease, using his large frame to reroute receivers and box them out at the catch point.  In the first clip, aligned in off man coverage against 2020 Heisman Trophy recipient Devonta Smith, Joseph initially bites on an out and up double move, however, proper eye discipline allows him to locate the near hip and smoothly transition to carry the receiver vertically.  At the catch point, Joseph squeezes Smith toward the sideline with an impressive look and lean, using his large frame to box out the talented receiver and secure a timely interception.  Later in the game, deployed in a deep 1/3 zone assignment out of a Cover 3 scheme, Joseph once again squeezes Devonta Smith to the sideline with a smooth look and lean, disrupting the timing and causing the route to fall harmlessly to the turf.



While larger framed cornerbacks can appear flat footed at times in off coverage, Kelvin Joseph’s click and close ability is undeniably one of standout traits in his game.  Against Tennessee, aligned in man coverage against a stack, Joseph displays great patience, widening to match the receivers release before executing a textbook T-step break to undercut the out route and race to the end zone, producing the games first points in the process.


Equally adept in press coverage, Joseph is able to suffocate receivers off the line with a combination of fluid hips and advanced hand usage.  In the first clip against Alabama, Joseph smoothly executes a mirror press before opening explosively to deploy a physical two hand jam at the top of the slant route, ultimately getting his left hand across to secure an impressive pass breakup.  In the next clip, aligned to the top of the screen against Georgia, Joseph plays with heavy inside leverage off the snap, squeezing the receiver outside of the numbers with a two hand jam, turning into the receiver to check for  a back shoulder throw, and ultimately drifting toward the sideline to secure an impressive, toe-tapping interception.



While a lack of functional strength limits Joseph’s effectiveness as a run defender, a solid football IQ and consistent desire to contribute in the box encourages me to believe that he has room to grow in this area. Working out of press coverage against Georgia, Joseph matches the receivers inside release before identifying the crack and replace, stepping up to fill off the edge, and shooting low to cut down the back after a miniscule gain.


Although the desire is certainly there, more often than not, as previously mentioned, a lack of functional strength limits his ability to finish tackles, both in the box and in the open field.  In the first clip, deployed in deep 1/3 zone coverage against Alabama, Joseph drops his eyes upon contact, shooting low and whiffing badly on the open field hurdle, allowing for 10 extra yards on what should have been a routine stop.  Later in the game, aligned as the overhang defender to a tight formation, Joseph steps up to successfully fill the D-gap, yet whiffs on a shoestring tackle attempt, allowing Najee Harris to stumble for a healthy, eight yard gain.



While Joseph is an extremely consistent player in coverage, like many young prospects at the position, occasional lapses in eye discipline can leave him vulnerable against advanced route runners.  Aligned in man coverage against Florida’s All-American tight end, Kyle Pitts, Joseph bites hard on an outside stem, allowing the talented tight end to cross his face over the middle, creating separation for a 60 yard touchdown on the catch and run.  Although a tough task when operating out of outside leverage, ideally you would like to see Joseph seek contact at the top of the route to disrupt Pitts timing and remain in phase on the break.


Overall, Kelvin Joseph enters the 2021 draft as a desirable mid round prospect who will impress teams with his polished and versatile coverage ability.  Nonetheless, a clear lack of functional strength means that he will likely need a year in the weight room before he is able to contribute successfully as a tackler, both in the box and the open field.  That being said, Joseph’s ideal fit comes in a single high-centric team, operating mainly out of Cover 1 and Cover 3 concepts, namely Pittsburgh, San Francisco, or Seattle.

If drafted to Pittsburgh, Joseph would likely exit camp as the team’s number four cornerback on the depth chart, serving on special teams and working toward carving out a boundary role in dime sets.  Moreover, in the event of an injury to Steven Nelson, Joe Haden, or Cam Sutton, Joseph could move into a role as a boundary cornerback in the team’s Nickel package.  In an ideal world, Joseph’s game reminds me a lot of Darius Slay, where both players are extremely effective in off coverage, possessing great agility and ball skills for players of their stature.

Although a lack of collegiate film, with only one season of true starter production, could limit some teams interest, Kelvin Joseph has all of the tools to develop into a pro bowl caliber player on the boundary.  While a lack of functional strength will limit his ability to contribute heavily in year one, Joseph’s upside will certainly make him tough to pass on in the mid rounds.  With the Steelers more than likely to spend at least one pick at the position, an extremely athletic and polished underclassmen prospect, such as Kelvin Joseph, could be in play for Colbert and company at the right value.

Projection: Late Day Two-Early Day Three

Games Watched:  at Alabama (2020), vs Georgia (2020), at Florida (2020), at Tennessee (2020)

Previous 2021 NFL Draft Player Profiles
OC Drake Jackson OC Landon Dickerson TE Pat Freiermuth RB Javonte Williams
CB Patrick Surtain II OG Deonte Brown TE Kylen Granson TE Brevin Jordan
OL Trey Smith OT Adrian Ealy CB Jaycee Horn CB Kary Vincent Jr.
RB Elijah Mitchell OT Alex Leatherwood TE Hunter Long RB Najee Harris
CB Tyson Campbell LB Zaven Collins DB Greg Newsome TE Tony Poljan
DL Christian Barmore RB Kenneth Gainwell OT Rashawn Slater WR Kadarius Toney
RB Michael Carter EDGE Joe Tryon CB Thomas Graham Jr. WR Amari Rodgers
RB Demetric Felton C Creed Humphrey C Trey Hill LB Jabril Cox
CB Asante Samuel Jr. S Joshuah Bledsoe OT Samuel Cosmi S Trevon Moehrig
RB Chuba Hubbard S James Wiggins LB Garret Wallow RB Kylin Hill
WR Dazz Newsome RB Khalil Herbert CB Shaun Wade WR Tylan Wallace
RB Rhamondre Stevenson CB Camryn Bynum WR Amon-Ra St. Brown WR Shi Smith
OT Liam Eichenberg EDGE Patrick Jones DT Alim McNeill OT Christian Darrisaw
QB Kyle Trask RB Jermar Jefferson QB Trey Lance OT Jaylen Mayfield
OT Teven Jenkins TE Kenny Yeboah LB Chazz Surratt CB Tre Brown
QB Kellen Mond LB Nick Bolton OL Brady Christensen DL Dayvion Nixon
CB Elijah Molden QB Mac Jones EDGE Rashad Weaver LB Cameron McGrone
RB Trey Sermon LB Pete Werner LB Tony Fields TE Luke Farrell
RB Jaret Patterson LB Dylan Moses TE Kyle Pitts LB Jamin Davis
TE Tommy Tremble QB Jamie Newman TE Shaun Beyer EDGE Azeez Ojulari
QB KJ Costello CB Caleb Farley DB Richie Grant OT Tommy Doyle
OG Jackson Carman WR Ihmir Smith-Marsette LB Baron Browning WR Terrace Marshall
LB/S JaCoby Stevens OC Josh Myers S Hamsah Nasirildeen OT Dillon Radunz
LB Jeremiah Owusu-Koramoah WR Anthony Schwartz S Talanoa Hufanga WR Sage Surratt
WR Dyami Brown WR Elijah Moore OT Jaylon Moore WR Seth Williams
NT Forrest Merrill WR Cornell Powell WR Rondale Moore EDGE Jaelan Phillips
S Divine Deablo WR Rashod Bateman EDGE Elerson Smith C Jimmy Morrissey
RB Larry Rountree C/G Quinn Meinerz CB Benjamin St-Juste OT Spencer Brown
EDGE Daelin Hayes WR Tamorrion Terry DL Marvin Wilson OT Walker Little
CB Aaron Robinson WR D’Wayne Eskridge EDGE Joseph Ossai EDGE Quincy Roche
OT Alijah Vera-Tucker WR Tutu Atwell TE Pro Wells RB Pooka Williams
EDGE William Bradley-King S Ar’Darius Washington EDGE Joshua Kaindoh WR Jonathan Adams
DB Trill Williams QB Davis Mills EDGE Greg Rousseau  WR Cade Johnson
ILB K.J. Britt OG Aaron Banks DL Jay Tufele


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