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Hours prior to the start of the 2017 NFL draft in Philadelphia, ESPN draft guru Mel Kiper Jr. released his final, first-round mock draft Thursday. 

Despite Texas A&M defensive end Myles Garrett being the No. 1 player on Kiper's board, he mocked North Carolina quarterback Mitchell Trubisky to the Cleveland Browns with the top overall selection due to their desperate need for a franchise signal-caller.

Along with that potential surprise to kick off the draft, here is a full rundown of Kiper's mock, along with a closer look at some of the most intriguing predictions.

Mitchell Trubisky (Cleveland Browns, No. 1)

The Browns have struggled to find a reliable quarterback since their return to the NFL as an expansion team in 1999, but they have an opportunity to change that in the 2017 NFL draft.

While no quarterback in the class is viewed as a sure thing, Trubisky has emerged as the top option despite starting for only one year at UNC.

His physical tools are impressive, and he is coming off a season that saw him throw for 3,748 yards, 30 touchdowns and just six interceptions.

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Cleveland had the opportunity to select Carson Wentz at No. 2 last year, but it instead decided to trade out of the spot, allowing the Philadelphia Eagles to nab Wentz.

Taking Trubisky at No. 1 could pay huge dividends if he lives up to his potential, but passing on a talent the caliber of Garrett is a major risk.

Because of that, Tim Kawakami of the San Jose Mercury News suggested a proposal that could net the Browns both Garrett and Trubisky:

The problem with passing on Trubisky is that the San Francisco 49ers, Chicago Bears and New York Jets are all teams with major quarterback question marks in the top six.

With that in mind, ESPN's Adam Schefter reported Wednesday that Trubisky had emerged as the favorite to come off the board first.

Based on Kiper's final mock, he believes the information relayed to Schefter.

Myles Garrett (San Francisco 49ers, No. 2)

Provided the Browns select Trubisky at No. 1, the 49ers will be in the fortunate position of owning the second pick with the widely regarded top player still on the board.

That would give San Francisco tons of leverage in a possible trade situation, but as Kiper put it in his mock draft, the Niners might "run to the podium" if Cleveland doesn't take Garrett.

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The 49ers have multiple needs on both sides of the ball, however, getting a pass-rusher of Garrett's ilk is something that could mask many of their other deficiencies defensively.

With regard to the debate between Trubisky and Garrett, Bleacher Report's Matt Miller believes there is no contest in terms of who the better overall prospect is:

Garrett registered 31.0 sacks and 47.0 tackles for loss in three years at Texas A&M, and he is a physical freak who dominated at the NFL Scouting Combine as well.

He has an ideal combination of tools and production at the college level that points to a great deal of success at the next level.

When the Niners last made a run to the Super Bowl it was due largely to a top-flight defense, and selecting Garrett would be a significant step toward rekindling that winning formula.

Deshaun Watson (Los Angeles Chargers, No. 7)

The Los Angeles Chargers have a Pro Bowl quarterback in Philip Rivers, but with Rivers heading toward the age of 36, Kiper believes L.A. could opt for a quarterback at No. 7.

With Trubisky off the board, Kiper envisions the Bolts selecting Clemson's Deshaun Watson in an unexpected twist.

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Watson had a fantastic collegiate career that included two trips to the National Championship Game and a national title victory last season.

According to NFL on ESPN, Watson was especially good at rising to the occasion against the toughest competition:

Watson was twice a Heisman Trophy candidate, and last season he threw for 4,593 yards with 41 touchdowns and 17 interceptions to go along with 629 yards and nine touchdowns on the ground.

Due to his experience, production and winning resume, Watson told ESPN's Josina Anderson that it would be a "slap in the face" if Trubisky gets taken ahead of him.

Regardless of where Trubisky goes in relation to him, the Chargers could be a good landing spot for Watson since it would allow him to sit and learn behind one of the NFL's top signal-callers.