It's safe to say Terrance Williams would not be with the Cowboys had this selection been made. Entering the 2012 draft the Cowboys owned the 45th overall pick. But they traded it to St. Louis in the deal that landed Morris Claiborne. St. Louis traded the pick to the Bears who then drafted the 6-3, 216-pound wide receiver out of South Carolina. Jeffery caught 89 passes for 1,421 yards and seven touchdowns this season.
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Dontari Poe, DT, Kansas City
The Cowboys might still be running a 3-4 defense had they drafted Poe. Like Kuechly, Dallas would've had to select Poe over Claiborne because he went 11th overall to the Chiefs. Poe had 4.5 sacks and 51 tackles in 2013 and his future looks very bright.
Denny Medley-USA TODAY SportsDenny Medley
Luke Kuechly, LB, Carolina
Cowboys owner and general manager Jerry Jones said after the 2012 draft that they would've selected Seattle linebacker Bobby Wagner with their second round pick had they not traded it to St. Louis in a deal to move up and draft Morris Claiborne. Well, they could've done better than Wagner if they used that sixth overall pick on Kuechly. Yes, he plays the same position as Sean Lee, but there's little doubt that the Cowboys would have trouble playing Kuechly, the ninth overall pick, alongside Lee. In two seasons, Kuechly hasn't missed a start and has recorded 320 tackles.
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Richard Sherman, CB, Seattle
Buffalo defensive back Josh Thomas was selected by the Cowboys in the fifth round, 143rd overall in 2011. Thomas, who started six games for Carolina this season, never played a game for the Cowboys. Sherman, who came off the board 11 picks later, has become one of the NFL's top corners, recording 20 interceptions in three seasons.
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Julius Thomas, TE, Denver
The Cowboys have drafted a tight end in each of the last two drafts. That probably wouldn't have been the case had they selected Thomas in the fourth round in 2011. Drafting Tyron Smith, Bruce Carter and DeMarco Murray in the first three rounds is impressive. But their fourth-round pick was spent on Missouri State guard David Arkin. Thomas was selected by the Broncos 19 picks later. Thomas, who only played in five games prior to this season, had 65 catches for 788 yards and 12 TDs in 14 games this year.
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Kam Chancellor, S, Seattle
Dallas was looking for a safety in the fourth round of the 2010 draft. The Cowboys spent the 126th overall pick on a defensive back out of Indiana (PA) named Akwasi Owusu-Ansah. The Seahawks chose Chancellor eight picks later. Owusu-Ansah has started two games in his career, Chancellor has started 47.
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Louis Vasquez, OG, Denver
Had the Cowboys drafted Vasquez, a Corsicana native, he'd likely be the only player from that draft class still on their roster. Dallas made 12 selections in 2009 and none of them remain. In the third round that year, the Cowboys chose Ball State offensive tackle Robert Brewster. Three picks later, San Diego took Vasquez, who has started 70 games over the last five seasons.
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Matt Forte, RB, Chicago
Charles wasn't the only Pro Bowl back the Cowboys could've drafted in 2008. Forte, who rushed for a career-high 1,339 yards and nine TDs this season, was drafted by the Bears in the second round. And it gets worse. Three-time Pro Bowler Chris Johnson and three-time Pro Bowler Ray Rice were also on the board when Dallas selected Jones.
Tommy Gilligan-USA TODAY SportsTommy Gilligan
Jamaal Charles, RB, Kansas City
The Cowboys wanted a running back in the 2008 draft and chose one with their first pick, Arkansas' Felix Jones. Jones rushed for 184 yards this year in Pittsburgh. Charles rushed for 1,287 yards and 12 touchdowns and caught 70 passes for 693 yards and seven touchdowns in 2013. The former Texas standout was selected in the third round.
USA TODAY SportsCary Edmondson
Marshal Yanda, OG, Baltimore
In the third round of the 2007 draft, Dallas used the 67th overall pick on Boston College offensive tackle James Marten. The Ravens chose Yanda, a tackle out of Iowa, 19 picks later. Baltimore moved Yanda to guard and this season he was selected to his third Pro Bowl.