Even with temperatures in the mid-80s for the opening day of the Falcons rookie minicamp Andrew Adams Jersey , wide receiver Calvin Ridley wore long sleeves under his red No. 18 jersey.

He just couldn't resist.

It's a freedom that was never allowed for skill position players in Ridley's college career under Alabama coach Nick Saban.

"Oh man, I didn't get to wear this in college so I had to do it," Ridley said. "Coach really didn't like us to wear long sleeves and I had to do it. I had to try."

As an NFL first-round draft pick , Ridley was enjoying some new-found flexibility during his first practice as a professional.

"I can have my shirt out a little bit," he said, holding the bottom of his jersey. "I don't have to tuck my shirt in."

Long sleeves? Shirt untucked?

Sorry coach Saban, but there's more.

At times on Friday, Ridley even took off his helmet.

"It's a little different to take my helmet off all the time," Ridley said, smiling while recalling his days under Saban's strict watch. "A little more freedom. It's cool, though."

Ridley may have felt like a rebel while catching passes in his first Falcons practice, but soon his old college rules will become a distant memory. The young wide receiver may quickly shed the long sleeves when the full Falcons roster is together for mandatory minicamp in June and training camp in July.

Besides Star Lotulelei Jersey , there are more important matters in Ridley's mind. He must learn the Falcons playbook as he tries to prove he can join veteran receivers Julio Jones and Mohamed Sanu as another top target for quarterback Matt Ryan .

On Friday, Ridley may have been too eager to show he can meet expectations that come with being a first-round draft pick.

Ridley acknowledged he was "just very excited" and may have tried to move too fast while running plays with other draft picks and 27 undrafted rookies participating in the camp.

On the first play following a water break, Ridley ran a crossing route over the middle and had the ball fall to the ground off his hands. He appeared to turn up field before securing the ball.

"I want to play fast and I've got to slow it down a little bit to learn better and get comfortable, and I'm going to be fine," he said.

Coach Dan Quinn said it's a common first-day scenario for rookies.

"Like most of the guys, they want to do right so well, they want more reps, more turns to get rolling," Quinn said. "It's a good lesson. Stay in the moment of this play. That's not uncommon for any of them."

The Falcons expect Ridley to make an immediate impact as another playmaker on an offense that suffered a decline in 2017 after leading the NFL in scoring in 2016. He finished his college career ranked second on the Alabama records, behind Amari Cooper, for catches and TD catches.

Ridley is the only unsigned player among Atlanta's six draft picks. He said he is leaving the contract negotiations to his agents.

"I'm just letting my people work," he said. "... I'm worried about football."

NOTES: Russell Gage Shaun Alexander Jersey , one of two sixth-round picks , was listed as a wide receiver in the NFL draft, but he worked at cornerback on Friday. "Just to make sure where we're going to put him," Quinn said. Gage played both positions at LSU and will move back to offense when the minicamp continues on Saturday. Quinn said he may work other players at more than one position.

Major League Baseball intends to announce next week the New York Yankees and Boston Red Sox will play two games at London's Olympic Stadium on June 29-30 next year, a person familiar with the planning told The Associated Press.

The person spoke on condition of anonymity Thursday because no public comments had been authorized.

"I'm excited about going over there," Yankees slugger Aaron Judge said.

Boston will be the home team for both of MLB's first regular-season games in Europe.

"One of the biggest rivalries in all of sports," Red Sox pitcher Joe Kelly said. "We'll see how the players recover. And that's always going to be big to take into account travel-wise."

London Mayor Sadiq Khan scheduled a news conference for Tuesday with baseball Commissioner Rob Manfred but did not announce the subject matter.

"I've never been to London, so I'm looking forward to that," Yankees manager Aaron Boone said. "Can grow our game, obviously, in Europe and hopefully getting two big teams out there will be a great thing for the sport."

Baseball officials have long hoped for games in London and settled last year on Olympic Stadium, which is in its second season as home of soccer's West Ham of the Premier League. Because it originally was built for a 400-meter track Ryan Smith Jersey , Olympic Stadium is wider than other large stadiums in the London area and can best accommodate the dimensions of a baseball field.

Each player on the trip will get an extra $60,000 for participating in the games, according to baseball's collective bargaining agreement.

The NFL has played regular-season games annually in London since 2007, holding 18 games at Wembley and three at Twickenham. Three more NFL games are scheduled for this year, including one at Tottenham's new stadium.

The NBA has played eight regular-season games at London's O2 Arena since 2011. The NHL opened its 2007-08 season at the O2 Arena with two games between the Los Angeles Kings and the Anaheim Ducks.

MLB has put renewed emphasis on international games since Manfred became commissioner in 2015.

Cleveland and Minnesota played a two-game series last month in San Juan, Puerto Rico, and the Los Angeles Dodgers and San Diego meet in a three-game series at Monterrey, Mexico, that starts Friday. MLB announced Tuesday that Oakland and Seattle will open next season at the Tokyo Dome on March 20-21.

Baseball started its season at Monterrey in 1999 (Colorado vs. San Diego); at Tokyo in 2000 (Chicago Cubs-New York Mets), 2004 (Tampa Bay-Yankees), 2008 (Boston-Oakland) and 2012 (Seattle-Oakland); and at Sydney in 2014 (Los Angeles Dodgers-Arizona).

Additional regular-season games were played at Monterrey in 1996 (San Diego-Mets); and at San Juan in 2001 (Toronto-Texas), 2003-04 (a total of 43 Montreal home games) and 2010 (Mets-Florida Marlins).

Current Red Sox manager Alex Cora was part of Boston's team that went to Tokyo in 2008 as part of a trip that included seven regular-season games Dan Feeney Jersey , two exhibitions against Japanese clubs plus a pair of exhibitions at the Dodgers that included one at the Los Angeles Memorial Coliseum attended by a record crowd of 115,300.

"It was a long one," Cora recalled. "We went to Japan, then LA for two days, then we went to Oakland and then we went to Toronto, and we survived April."

AP Sports Writers Stephen Hawkins and Kristie Rieken, and Associated Press writer Joshua Koch contributed to this report.

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