Baker Mayfield is leaving the college hijinks on campus.

Now that he's in the NFL Carl Soderberg Jersey , the brash quarterback who became a household name at Oklahoma as much for throwing touchdown passes as taunting opponents, intends to clean up his act.

"I'll be very competitive, but the other stuff, obviously it can't happen," Mayfield said. "I know that."

A day after the Cleveland Browns made Mayfield the surprise No. 1 overall pick in the NFL draft, the 23-year-old spent part of his introductory news conference discussing how he has matured and learned from past on-field incidents that made him more polarizing and could have soured teams from wanting to select him had they gotten the chance.

His Heisman Trophy-winning season was speckled with foolishness.

Before facing Texas Tech, the school where he began his college career, he entered the stadium in Lubbock wearing a T-shirt that had "TRAITOR" written on the front. He also famously celebrated a road win at Ohio State by taking a victory lap and attempting to plant a Oklahoma flag at midfield in the artificial turf.

But those paled in comparison to his actions during a game at Kansas. Reacting to the Jayhawks' captains for refusing to shake his hand before the game, Mayfield returned to the sideline following a TD drive Aleksander Barkov Jersey , ripped off his helmet, grabbed his crotch and screamed expletives toward Kansas players.

Oklahoma punished him by not allowing him to start his final home game in Norman and coach Lincoln Riley stripped him of his captaincy against West Virginia.

Looking back, Mayfield said he regrets the "stuff" he did and that going forward he has to redirect his emotions.

"That was absolutely over the top," he said. "But there's a fine line. You need to be competitive, but a lot of that you can internalize and use that as motivation to drive you. You don't have to show it all the time. ... I can use that for behind the scenes when nobody's around, the film, the hours you put in."

Mayfield also learned from an arrest in February 2017, when a night out with friends in Fayetteville, Arkansas Sven Andrighetto Jersey , turned into an arrest for public intoxication, disorderly conduct and fleeing.

The Browns did extensive vetting of the incident, so much so that general manager John Dorsey said he knew what Mayfield had ordered from a food truck before his run-in.

Dorsey felt comfortable enough with Mayfield to make him his signature pick, the fresh face of a franchise in perpetual rebuilding mode.

"He is very mature. He is very smart," Dorsey said. "We all learn from our mistakes. I have learned from my mistakes in the past, too. I am better today than I was a year ago. I have no problems with a young man being allowed to understand the mistakes he makes, and let's move forward."

Mayfield says he's done just that.

"I do not think I would be sitting right here unless I had made those strides," he said. "Without those mistakes, later on down the road I might have had slip ups Zach Hyman Jersey , but now I can learn from them and be able to move forward."

Martavis Bryant is back with the Oakland Raiders and focused on getting up to speed again in coach Jon Gruden's offense with an eye on playing this Sunday in Denver.

One day after signing a one-year contract to return to Oakland, the 26-year-old Bryant was in a positive and playful mood while speaking to reporters Thursday. He had been acquired in a trade with Pittsburgh in the spring and then released by Oakland earlier this month.

"I was very surprised but at the same time I knew there was a plan," Bryant said. "I didn't get overly frustrated. I was with my family the whole time. I honestly didn't know what was going to happen. I just stayed focused and continued to do the things I needed to do to get back to football."

Talk has circulated for three months that Bryant could be suspended by the NFL for another violation of the league's substance-abuse policy. Bryant missed all of 2016 while suspended for the same reason.

The Raiders have avoided discussing the topic publicly. Bryant said he has heard nothing from the NFL.

"I don't know nothing abut none of that," Bryant said. "All I'm here to do is play football. As far as that stuff, I'll let that process take care of itself."

The Raiders are hoping Bryant can help spark Oakland's passing game, which was shut down in the second half against the Los Angeles Rams on Monday night.

That was the original plan when they traded a third-round pick to the Steelers to get Bryant before heath issues prevented the veteran receiver from practicing for most of training camp.

When Bryant was released as part of final roster cutdowns, Gruden said it was because he had been outplayed by some of the team's other young receivers. On Wednesday, Gruden said that Bryant was in a good place.

"He looks good," offensive coordinator Greg Olson said. "He stayed in shape. He stayed around town so he's still involved in the game and working out. He retained a lot of the things that we were doing with him previously Roman Josi Jersey , so he looks good."

Bryant agreed.

"This is just another thing that I've been through in my career," Bryant said. "I made some mistakes when I was at a younger age and I learned from that. I didn't get overly down on myself as I beat myself up the first time I got suspended. I've been through it before so I know how to stay focused and just fight through it."

Bryant said he avoided watching the Raiders' 33-13 loss to the Rams, although he remained in the Bay Area after being released by Oakland on Sept. 1.

What he missed was the Raiders passing attack going dormant in the second half. Wide receivers Jordy Nelson and Amari Cooper were limited to four catches for 32 yards combined, none after halftime.

Bryant is hopeful of joining them in Denver when the Raiders play the Broncos.

"I'm going to be ready to go," Bryant said. "We've got a couple more days of practice in. I'm going to go out and put hard work in with the guys. If coach needs me to go in Sunday, I'll be ready to go.

"I'm comfortable now but at the same time with coach Gruden's offense you have to continue to study every day and continue to be a student of the book. You need tough love to be the best. I have a lot of work to do and he's going to continue to push me."

Notes: Defensive tackle Justin Ellis was placed on injured reserve with a foot strain. ... The Raiders signed defensive tackles Johnathan Hankins and Clinton McDonald.

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