Cleveland Browns’ John Brown and the Colts’ Dwayne Allen are two of the most versatile cornerbacks in the NFL

Cleveland Browns quarterback Andrew Luck (11) and safety Jabaal Sheard (24) get in a drill during training camp in Berea, Ohio, Saturday, Sept. 6, 2018.

The Colts won their second straight game.

(AP Photo/David Richard) (Photo: David Richard, Associated Press)CLEVELAND (AP) — John Brown is one of the two most versatile cornerbackbacks in football.

And he’s also a little bit of an enigma.

So, with all the excitement surrounding the 2018 free agency class, here are 10 things to know about the newest addition to the Cleveland Browns:Brown is one player the Browns didn’t sign as a free agent but he’s been one of their biggest pieces.

Brown, who turns 26 on Oct. 28, will turn 31 on Oct.

“Brown is the only cornerback on the free agent market to have played in two Super Bowls and played in four straight playoff games,” general manager John Dorsey said in a statement.

“He’s been a cornerstone for a team that was one of our biggest challenges last year.

The fact that he can also play in the secondary is no secret, and I’m excited to see what he can do.”

Brown started all 16 games at cornerback in 2015 and recorded seven interceptions.

He played his best games as a pro last year, recording 20 passes defensed and six interceptions, but missed three games with a knee injury.

He missed three of Cleveland’s final four games with his injury and spent the majority of the season on injured reserve.

He was placed on injured reserved in Week 12 against Philadelphia because of an ankle injury and missed the final three games.

Brown was inactive for all 16 of Cleveland, with the exception of one game against Jacksonville in Week 7.

Brown has started 16 games and recorded eight interceptions.

He has played in 13 games with three interceptions and has been active in six of those games.

Brown was suspended for the first four games of the 2017 season for violating the league’s substance abuse policy.

He has not played since the suspension was lifted.

Brown and his family have made a point of visiting the Cleveland Clinic, where he was treated for a torn labrum in his left shoulder.

He spent the entire 2017 season on the sideline.

Brown had six interceptions last season and was the league lead with 10 pass breakups, including two in a span of 11 games.

He had a career-high four pass break-ups in a playoff game.

Brown’s return from injury could be a positive for the Cleveland defense, but the team could still use help at corner, particularly at safety.

The Browns had three cornerbacks with two career interceptions last year — corner Brandon Carr and safety Reggie Nelson.

Carr had three interceptions in six games last season.

The Browns also could use help up front, with defensive tackle Marcus Smith having surgery on his left knee and running back T.J. Yeldon having a foot injury.

The Cleveland Browns have one of three players in the top-10 in sacks this season with four, and all three players are returning from injury.

They are linebacker Joe Thomas (11), defensive end Joe Thomas Jr. (12) and defensive tackle Anthony Walker (11).

Thomas is coming off a season in which he was one sack away from the league record for sacks in a season, and Thomas is coming back from a torn ACL suffered in Week 14 last year in a game in New England.

Walker is coming into his own with a career year, posting 12.5 sacks in 2017.

Walker has five sacks and three forced fumbles, including one game-winning interception.

Thomas, who missed most of the last two seasons because of injuries, had 14 sacks last season, his fourth straight season with more than 15.

Walker played in eight games last year and recorded five sacks.

Walker, who was signed as an undrafted free agent in the offseason, has started in five games for the Browns.

He missed four games last fall with a torn knee ligament.

Walker had four tackles in the Browns’ win over Indianapolis.

Walker has been a key piece of Cleveland and the Browns have won two straight since he was drafted in the first round of the 2016 NFL Draft.

Walker was a key player on Cleveland’s defense, recording seven sacks, six tackles for loss, four forced fumble recoveries and a fumble recovery in the Super Bowl.

He was an undrafted rookie out of Notre Dame in 2017, and he has been one piece of the defense for the team since.

He also has two career INTs and two forced fumblings.

Walker’s first interception came in Week 2 against the Denver Broncos, when he beat cornerback Justin Gilbert (6) to the outside for a 13-yard touchdown in the second quarter.

The interception marked the first by a Browns player this season.

Walker also had an interception in the game at the New England Patriots in the fourth quarter, a 10-yard