National Football League roundup

Floyd, 27, was arrested for DUI on Dec. 12 in Scottsdale, Ariz., prompting his release two days later from the Arizona Cardinals.

He pleaded guilty to extreme DUI in February and served 24 days in Maricopa County (Ariz.) Jail and is serving 96 days on house arrest.

After being cut by the Cardinals, the New England Patriots gave Floyd a second chance by claiming him off waivers on Dec. 15. He played sparingly for New England but did catch a touchdown pass in Week 17.

Floyd's best season came in 2013 when he had 65 catches for 1,041 yards and five touchdowns.

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The NFL promoted Alberto Riveron to take over as the head of officiating, filling the role vacated when Dean Blandino stepped down last month.

Riveron, the first Hispanic referee in league history, was named senior vice president of officiating. He spent the past four seasons as senior director of officiating as Blandino's No. 2 and was an on-field official from 2004 to 2012, including the final four years as a referee.

The league also announced that Russell Yurk, an NFL replay veteran of seven years and a former NCAA and high school referee, was named vice president of replay and administration.

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The Kansas City Chiefs signed free agent offensive guard Andrew Tiller.

Tiller, 28, started seven games for the San Francisco 49ers in each of the last two seasons.

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The Tampa Bay Buccaneers signed cornerback Robert McClain to add depth at the position.

McClain, 28, played for Bucs defensive coordinator Mike Smith with the Atlanta Falcons from 2012-14.

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The Denver Broncos reached an agreement on a four-year rookie deal with quarterback Chad Kelly, dubbed "Mr. Irrelevant" as the 253rd and final pick of the 2017 NFL Draft.

The former Ole Miss quarterback is due about $2.5 million over four years and has an estimated cap hit of $481,067 this year, the Denver Post reported.

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The New York Jets signed sixth-round cornerback Jeremy Clark to his four-year rookie contract.

The team has now signed three of the nine players selected in the 2017 NFL Draft. ))