The onetime Washington State star redefined the term "bust" in his brief NFL career. He wasn't No. 1 overall -- the Colts chose Peyton Manning -- but his spectacular decline caused lots of problems for the Chargers, who traded up with Arizona to select Leaf. In 18 starts for San Diego, Leaf finished 4-14 with a 48.8 passer rating. And off the field Leaf alienated teammates and the community with his brash behavior.
2 of 25John Biever/SI
Even for a No. 2 pick, Mandarich came into the NFL with an unusual amount of hype. SI called him the greatest offensive line prospect of all time. Turns out he was just a workout wonder. After holding out for a huge deal his rookie season, he was a disappointment from the start. Mandarich played three seasons in Green Bay and seven total in the NFL. The next three picks in '89? Barry Sanders, Derrick Thomas and Deion Sanders.
3 of 25Allen Steele/Getty Images
The Falcons have made a lot of bad picks over the years, but this was the worst. Atlanta looked to trade out of the top spot, but no prospect in the 1988 draft was compelling enough bait. The Falcons settled with Bruce, and the former Auburn star had four mediocre seasons in Atlanta. He eked out 11 nondescript NFL seasons, starting only 42 games.
4 of 25Mike Powell/Getty Images
After Bosworth won the Butkus Award twice at Oklahoma, the Seahawks selected him in the 1987 supplemental draft and signed him to a 10-year, $11 million deal. With his funky haircuts and his "Boz" attitude, he was supposed to redefine the linebacker position. But injuries limited him to a disappointing three-year career. The NFL's loss was Hollywood's gain. Bosworth delivered a subtle and moving performance in Stone Cold and appeared in 2005's The Longest Yard.
5 of 25Jonathan Daniel/Getty Images
Ware rewrote the college record books at Houston and won the Heisman Trophy, but he barely got off the bench in the NFL. Like many other busts, he held out before his rookie season and never was able to get it going with the Lions. In four seasons he completed just 83 passes for five TDs. Ware has the unique distinction of also being a flop in the CFL, where he won a championship backing up Doug Flutie.
6 of 25John Iacono/SI
Thomas' failure as a pro helped solidify Jets fan's certainty that their team could do no right on draft day. Whatever intangible elements make a great NFL running back, the former Penn State star didn't have them. Thomas reached the end zone just seven times in four undistinguished seasons in New York. The Cowboys landed Emmitt Smith 15 picks after Thomas in the 1990 draft.
7 of 25Ken Levine/Getty Images
Drafted lower than most of the players in this gallery, Marinovich earns draft-bust status in part because of the expectations created by his unusual background. He was trained early on by his father, Marv -- a former Raiders offensive lineman -- to be a quarterback. But Marinovich melted under the pressure. He was arrested on drug charges at USC, and his off-field problems continued after he joined the Raiders, where he lasted just two seasons.
8 of 25John Biever/SI
An outstanding D-lineman at University of Washington, Emtman blew out his knee nine games into his rookie season, beginning a cycle of injuries he never overcame. He started just 10 games over six years for three teams.
9 of 25Al Tielemans/SI
Chosen right after Steve Emtman, this former Texas A&M stud looked like a can't-miss prospect, but he had five lackluster seasons with the Colts before being released in 1997. A comeback with Dallas a year later failed, and his career was finished.
10 of 25T.G.Higgins/Getty Images
The Dolphins thought they'd finally solved their running back woes with this big, powerful runner from Florida State. In three seasons with Miami, Smith never averaged more than 3.7 yards per carry and was a fumbling machine with a knack for coughing the ball up at the worst times. He was basically driven out of town by a chorus of "Sammie sucks" before moving on to Denver, where he lasted only three games.
11 of 25Jonathan Daniel/Getty Images
At the University of Houston, Klingler threw 54 TDs in a season and six TDs in a quarter. He threw 16 TDs in four full seasons with the Bengals -- and 21 interceptions. Klingler replaced the very popular Boomer Esiason, and after getting sacked 10 times by the Steelers in his first start, he spent most of his Cincy career on the turf.
12 of 25Heinz Kluetmeier/SI
Harrington was 18-37 as a starter with the Lions and threw 62 interceptions compared to 60 touchdowns in four seasons. Once very popular in the Motor City, Harrington became a whipping boy for the media and fans and was cut after the 2005 season. He threw 12 touchdowns and 15 interceptions in 11 games for the Dolphins in 2006, and joined the Falcons this offseason.
13 of 25Al Bello/Getty Images
After observing Mirer at Notre Dame, Bill Walsh called him the second coming of Joe Montana. Mirer wasn't even the second coming of Joe Pisarcik. The Seahawks took Mirer after Drew Bledsoe, and in four seasons Mirer tossed 41 TDs and 56 INTs. Mirer has the distinction of being a huge bust for two teams: The Bears traded a first-round pick to Seattle for Mirer in 1997, but he never won Chicago's starting job.
14 of 25Otto Greule Jr./Getty Images
A physical specimen at Notre Dame, Brown looked as if he would redefine the tight end position in the NFL. He did change the way people thought about tight ends: Teams no longer wanted to take them in the first round. Brown had 11 catches in three seasons with the Giants before being cut. He often gets lumped in with the Jets' No. 15 pick that year, Johnny Mitchell, another historic tight end bust.
15 of 25Otto Greule Jr/Getty Images
Curry, who had 12 sacks in four years with the Bucs, may not even have been Tampa Bay's worst pick of the '80s and early '90s (there are too many to list here). He may not even have been the most disappointing DE to come out of Alabama that year (John Copeland went to Cincy at No. 5 and was a bust). But in part because of his connections to other draft flops, Curry earns a Kevin Bacon-like spot in Bustville.
16 of 25Jonathan Daniel/Getty Images
Shuler displayed all the tools at Tennessee, but he never understood the nuances of an NFL offense while in Washington. He played 19 lackluster games in three seasons with the Redskins before being displaced by Gus Frerotte. Shuler was traded to the Saints, where he lasted just one year.
17 of 25Gary Mook/Getty Images
Alberts' career got off to a rocky start when ESPN analyst Mel Kiper ripped Indy for picking him, drawing the public ire of Colts GM Bill Tobin. In three injury-plagued seasons, the former Nebraska linebacker couldn't prove Kiper wrong.
18 of 25Peter Read Miller/SI
After a great career at Penn State, Carter blew out his knee before ever taking a snap in an NFL regular-season game. He came back the next season and played all 16 games but averaged 2.9 yards per carry. Carter had several injuries at Cincy and never became a consistent starter. NFL scouts didn't take the lesson to heart: Carter once again proved the Penn State RB jinx.
19 of 25AP
A speedster out of Nebraska, Phillips might have gone even higher if he hadn't had discipline issues during college. Rams coach Dick Vermeil thought he could help the troubled back, but St. Louis released Phillips a year after drafting him. He never found a permanent NFL home.
20 of 25Tom Pidgeon/Getty Images
Smith emerged after one good season at Oregon and almost went No. 1 over Tim Couch and Donovan McNabb. But Smith was destined to be a bust from the beginning. Not only was he selected by the Bengals (a reliable indicator of future flops), he was coached by QB guru Jeff Tedford in college. Tedford-coached quarterbacks -- Trent Dilfer, Joey Harrington, Kyle Boller -- haven't had much NFL success. Aaron Rodgers is the next Tedford pupil to hit the draft.
21 of 25Damian Strohmeyer/SI
The Penn State running back curse strikes again (see Thomas, Carter, etc.). Not only did this former Nittany Lion fail to produce, but the Bears also had the bad luck of picking Enis ahead of several future stars. Chicago looked seriously at Randy Moss but was scared off by his off-the-field issues. Enis spent three years in Chicago and averaged just 3.3 yards per carry, never reaching 1,000 yards rushing in a season.
22 of 25Jonathan Daniel/Getty Images
This southpaw posted huge numbers at UCLA and was supposed to be the Bears' answer at QB. But in two years he started 15 games, throwing 16 TDs and 19 interceptions. His lack of accuracy, poor decision-making and an attitude that reminded many of Ryan Leaf limited his career in Chicago, and he was never able to stick with another team for any length of time. McNown did, however, date a Playboy model.
23 of 25George Rose/Getty Images
Pickens was dominant at Nebraska, but in five lackluster NFL seasons, he totaled just two interceptions. He benefited by an emphasis on shut-down corners at that time in the NFL, but he was certainly no Deion Sanders.
24 of 25Al Tielemans/SI
Rogers was dominant at Michigan State and ran a blazing 40 at the combine, but his career with the Lions was a disaster. He broke his collarbone twice, was suspended for violating the league's substance-abuse policy and caught just 36 passes for 440 yards in three seasons.
25 of 25Bill Frakes/SI
Warrick did produce some numbers in the NFL, but was nowhere near the player the Bengals thought he would be. He played five seasons in Cincy and had 18 touchdown receptions, but never made a real impact. Warrick reportedly signed with an AFL team in 2007, but never showed up.
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