The NFL combine and draft workouts are just pieces of the puzzle for draft prospect evaluation. For some players, great showings cause a sharp increase in draft stock, often at the detriment of the teams drafting them. The following players were overdrafted due in large part to their terrific workouts.
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Tavon Austin, WR, Rams
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Austin was an extremely productive player at West Virginia but also undersized at 5-foot-8. A blazing 4.34-second 40 time along with a solid 4.01 second time in the shuttle convinced the Rams to take him eighth overall in 2013. Austin has a pitiful 9.3 yards per reception for his career and has reached 500 receiving yards only once, but that didn't stop the Rams from giving him a big contract a few years into his career. Austin has been a role player in Dallas over the last two seasons.
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Jon Baldwin, WR, Chiefs
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Baldwin's physical traits and combine performance helped him become the 26th overall draft choice in 2011. Among Baldwin's impressive numbers were his 42-inch vertical and sub-4.5 second 40 time while standing at 6-foot-4. Baldwin infamously broke his thumb in his first training camp after a fight with Chiefs veteran running back Thomas Jones, and he never panned out in the NFL, lasting only three years.
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Kentwan Balmer, DT, 49ers
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With an enticing combination of size and athletic talent, including a 5.11-second 40 time and 29-inch vertical, Balmer was selected 29th overall by San Francisco in 2008. He never actually started a game for the 49ers and appeared in only 46 games over five NFL seasons.
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Undersized at 5-foot-9, Best was selected 30th overall in the 2010 draft by the Lions after a great combine. The speedster tied Ben Tate for the fastest 40 time among running backs that year at 4.34 seconds and also ran a blazing 6.75 time in the three-cone drill. He saw only 255 carries in three seasons with Detroit and retired due to concussions.
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Oakland wasn't exactly breaking the bank when it took Campbell in the fourth round of the 2010 draft, but it was still an overdraft that was spurred almost solely due to his combine performance. Campbell's 4.75 second 40 time is still one of the fastest ever recorded by an offensive lineman, and he also had an impressive 34 reps in the bench press. Campbell lasted only three seasons in the NFL, appearing in 19 games.
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Trung Canidate, RB, Rams
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Already with Marshall Faulk on the team, the Rams pick of Canidate 31st overall in 2000 was a true head-scratcher. Head coach Mike Martz fell in love with Canidate's speed, as he ran a 4.25-second 40 time at the combine. Canidate had only 98 carries over three seasons in St. Louis, and his most productive season (600 rushing yards) came in Washington.
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Conley had limited production in four seasons at Georgia but worked himself up to the third round in 2014 with one of the greatest combine performances ever by a wide receiver. He ran a 4.35-second 40, had an elite 45-inch vertical and a 139-inch broad jump that was three inches longer than that of any other wideout since 2000. While Conley contributed in four seasons with Kansas City, he never surpassed 530 yards receiving in a season. He did have a career year in 2019 with Jacksonville, with 47 receptions for 775 yards.
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Engelberger increased his draft stock in the second round in 2000 with a great combine performance that included a 4.65 40-yard dash and sub-7.0-second three-cone time. He had a decent nine-year career after being drafted by the 49ers, with 20.5 sacks, but it was disappointing relative to his 35th overall draft selection.
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Vernon Gholston, DE, Jets
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Gholston was a solid prospect after a great senior season at Ohio State, but he shot up draft boards with his great combine. The Jets were convinced enough to take him sixth overall in 2008, and Gholston played sparingly over three seasons. His impressive combine results included a 4.58-second 40-yard dash and 37 bench press reps.
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Harvey was just one of many terrible draft picks by the Jags in the late 2000s and early 2010s that put the franchise in the cellar. He was drafted eighth overall out of Florida in 2008 with a 40-yard time around 4.7 seconds. That result was impressive after measuring 6-foot-5, 271 pounds, but he had only eight sacks in four NFL seasons.
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Chris Henry, RB, Titans
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Henry had limited production in college at Arizona, peaking at 581 yards rushing (3.5 yards per carry). That didn't prevent the Titans from taking him in the second round (50th overall) in 2007 after running a 4.40 40-time despite measuring 5-foot-11, 230 pounds. Tennessee should have watched more tape, as Henry had a total of 32 career carries in the NFL.
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Darrius Heyward-Bey, WR
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Raiders owner Al Davis was always infatuated with speed, and the team shocked the football world when it selected Heyward-Bey seventh overall in 2009 almost solely based on that speed. He previously wasn't projected to be a first-round pick, but he ran a 4.30-second 40-yard dash. Heyward-Bey peaked at 975 yards receiving in his third season but didn't come close to that production again.
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Stephen Hill, WR, Jets
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Hill had a total of only 49 receptions in three seasons at Georgia Tech, but his physical traits were incredible. Standing at 6-foot-4, Hill ran a 4.36-second 40 at the combine with a solid 39.5-inch vertical. The Jets hoped he could follow in the footsteps of former Georgia Tech wideout Calvin Johnson, but Hill caught a total of 45 passes for 594 yards in two seasons with New York after going 43rd overall in the draft.
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A mobile quarterback at Arkansas, Jones didn't have the arm talent to stick with the position at the next level. He convinced teams he could be a star at wide receiver with an amazing combine, running a 4.37-second 40 time at 6-foot-6. Jacksonville shocked the football world when it selected Jones 21st overall in 2005, but he had a short four-year career totaling 166 receptions for 2,153 yards and 15 touchdowns.
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Mike Mamula, DE, Eagles
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Mamula went seventh overall in the 1995 draft to Philly after one of the greatest combines ever. He ran a 4.58-second 40-yard dash, scored a 49 out of 50 on the Wonderlic test and had a 38.5-inch vertical jump. He accumulated 31.5 sacks in five seasons in Philadelphia, far off what was expected of a top-10 draft selection.
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Tony Mandarich, OT, Packers
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Now considered one of the biggest draft busts in history, Mandarich was selected second overall in the 1989 draft by Green Bay. He had an acclaimed college career at Michigan State, and the workout results matched the hype with a 4.65-second 40-yard dash and 39 reps in the bench press. Mandarich played six NFL seasons between the Packers and Colts but never matched the hype. Nearly 20 years later, Mandarich admitted to steroid use while in college.
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Mays was taken in the second round (49th overall) by San Francisco in 2010 after playing at USC. His measurables were off the charts, as the 6-foot-3 safety ran a 4.31-second 40-yard dash with a 41-inch vertical and 24 bench reps. Mays lasted six seasons in the NFL but was traded to the Bengals for a seventh-round pick after only one year in San Francisco. He started just 15 games during his career.
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Lions general manager Matt Millen wanted to build a new version of the "Greatest Show on Turf" Rams, but he whiffed on many offensive skill position players in the process. Perhaps his worst pick was Rogers, selected second overall in 2003, one pick ahead of fellow wideout Andre Johnson. At the combine, Rogers ran a 4.40-second 40 time at 6-foot-3. After also producing great numbers at nearby Michigan State, Rogers floundered in the NFL, appearing in only 15 games in three seasons and missing time to injuries and three violations for substance abuse.
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Ross' tale is still being written, but he looks like a bust through three seasons after the Bengals took him ninth overall in 2017. He broke the combine record in the 40-yard dash with a time of 4.22 seconds, causing Cincinnati to overlook questions about his knee. Through three seasons, Ross has only 49 receptions in 24 games.
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JaMarcus Russell, QB, Raiders
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Russell is in the conversation as the biggest draft bust ever after going first overall in 2007 to the Raiders. The former LSU quarterback showed amazing arm strength and ran a 4.7-second 40-yard dash at 6-foot-6. Raiders owner Al Davis saw Russell's pure talent as too great to pass up, but Russell was 7-18 as a starter in three seasons while completing only 52.1 percent of his passes.
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Tim Tebow, QB, Broncos
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Most teams didn't see Tebow as a quarterback in the pros despite his storied career at Florida, but the tape and Tebow's great combine convinced the Broncos otherwise. Tebow was selected 25th overall in 2010 by head coach Josh McDaniels in a pick that shocked the world after a great combine that included a 4.7-second 40-yard dash, 6.66 second three-cone and apparently enough in throwing drills to stick at his natural position. Tebow did find some success by leading the Broncos to the playoffs in 2011, but he never started another game at quarterback following that season.
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Solomon Thomas, DE, 49ers
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Thomas had a strong career at Stanford, but a tremendous combine performance pushed him up to the third overall pick in the 2017 draft. Among his impressive combine feats were a 35-inch vertical, 30 bench reps and a 126-inch vertical, putting him just behind first overall pick Myles Garrett in a very athletic defensive end class. Unfortunately Thomas contributed little as a regular starter in his first two seasons and saw his snaps cut significantly by 2019. Through three seasons, Thomas has only six sacks.
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Washington flew up some draft boards after running a 4.29-second 40-yard dash in 2005. Al Davis' Raiders selected Washington 23rd overall, but the Nebraska alum had limited success over six NFL seasons.
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A track star in high school, Williamson wasn't much more than a deep threat at South Carolina but rose to seventh overall in the 2005 draft after his great 40 time at the combine. Williamson ran a blazing 4.32-second 40-yard dash, which was enough to convince Minnesota to draft him. Williamson had only 87 receptions in his five-year NFL career and peaked at 455 receiving yards in his sophomore season.