National Football League roundup

McClain, 25, played 13 games and recording 108 tackles for the Cowboys. He is facing a four-game fine for a substance-abuse violation, and another positive test would mean a four-game suspension.

McClain, who had a competing offer from the New England Patriots, can earn another $1 million in incentives.

To make room for McClain and other moves, the Cowboys created nearly $13 million in salary cap space by restructuring the contract of quarterback Tony Romo, according to Yahoo Sports.

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Oregon quarterback Marcus Mariota plans to skip the NFL Draft, following the same likely move of Florida State's Jameis Winston.

According to ESPN.com, Mariota informed the league he plans to be in Hawaii among his family and the community that helped raise him. Mariota reportedly told the NFL that it is important to him, "both personally and culturally," to be in Hawaii.

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The NFL will be allowed to view seven photographs from Greg Hardy's domestic violence case to help determine whether the former Carolina Panthers defensive end violated the league's personal conduct policy.

The Mecklenburg County District Attorney's office in Charlotte, N.C., said Wednesday it will allow the NFL to see seven photos in the prosecutor's file from Hardy's first trial.

Hardy, who had 15 sacks with the Panthers in 2013 during his Pro Bowl season, remains on the commissioner's exempt list and could face an NFL suspension of as many as six games.

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The Denver Broncos acquired center Gino Gradkowski in a trade with the Baltimore Ravens involving 2016 draft pick considerations.

According to reports, the Ravens will get Denver's 2016 fourth-round pick in exchange for Gradkowski and Baltimore's 2016 fifth-round selection.

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The Houston Texans signed wide receiver Nate Washington to a one-year deal worth $1 million, according to the Houston Chronicle.

Washington, 31, played his first four seasons with the Pittsburgh Steelers and the last six with the Tennessee Titans. His streak of 144 consecutive games played ranks first among active NFL wide receivers.

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The Chicago Bears signed linebacker Sam Acho and re-signed special-teams standout Sherrick McManis.

Both deals are for 2015 only.

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The New Orleans Saints signed cornerback Kyle Wilson and also extended the contract of guard Jahri Evans through 2017, creating salary cap room.

A first-round pick by the New York Jets in 2010, Wilson is the second new cornerback to join the Saints, following Brandon Browner.

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Indianapolis Colts running back Dan "Boom" Herron signed his exclusive-rights free-agent tender.

Herron has had 83 rushes for 384 yards and a touchdown, as well as 22 catches for 230 yards in 22 games since being signed by the Colts from the Bengals' practice squad on Oct. 9, 2013.

He also contributed 10 special teams tackles over the past two seasons.

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With all 32 NFL teams in attendance, the University of Miami had several prospects impress at the Hurricanes' pro day, most notably senior wide receiver Phillip Dorsett, who timed in the mid-4.2 range on his two 40-yard dash attempts.

Dorsett, who ran a 4.33 at the NFL Scouting Combine in February, showed off his speed on the field during positional drills, and catching passes from quarterbacks Ryan Williams and Jake Heaps.

Running back Duke Johnson also improved his 40-yard dash time from the combine.

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The general manager of the Montreal Alouettes said the Canadian Football League team has a 50-50 shot of signing defensive end Michael Sam, the first openly gay player to be drafted by an NFL team.

Speaking to the Montreal Gazette on Tuesday, Alouettes GM Jim Popp said, "The CFL is cut out perfectly for his style. It would give him the opportunity to do what he does best.

"His agent knows. They're ready. They know this (CFL) may be what it is. It's Michael who has to make the decision -- and he might never come.

"The indications were he was ready to come last fall, and he's still not with us. So I really don't know. Seriously, I'd say our chances are 50-50."))