A. J. Klein height - How tall is A. J. Klein?

Klein signed a three-year contract with the Buffalo Bills on March 27, 2020.

On March 9, 2017, Klein signed a three-year, $15 million contract with the New Orleans Saints. He suffered a groin injury in Week 14 and was placed on injured reserve on December 19, 2017. He started the first 12 games of 2017, recording 54 tackles, two sacks, and four passes defensed.

On February 7, 2016, Klein was part of the Panthers team that played in Super Bowl 50. In the game, the Panthers fell to the Denver Broncos by a score of 24–10.

During Week 10 of the 2016 season, All-Pro starting linebacker Luke Kuechly was severely concussed and did not play the rest of the season. Kuechly's injury thrust Klein into a starting role for the Panthers. In his seven starts, Klein made 16 solo tackles, assisted on 13 more and registered one sack.

The Carolina Panthers finished the 2015 NFL season first in the NFC South with a 7–8–1 record, but Klein was inactive due to his ankle injury as they reached the NFC Divisional Round where they were defeated 31–17 at the Seattle Seahawks.

Klein entered training camp slated as the starting weakside linebacker, but saw competition from rookie first round pick Shaq Thompson. Head coach Ron Rivera named Klein the backup weakside linebacker, behind Shaq Thompson, to begin the regular season. On September 20, 2015, Klein started at middle linebacker after Luke Kuechly was inactive due to a concussion he sustained the previous week. He recorded four combined tackles, one pass deflection, and made his first career interception as the Panthers defeated the Houston Texans 24-17 in Week 2. Klein intercepted a pass by Texans’ quarterback Ryan Mallett, that was intended for tight end Garrett Graham, and returned it eight yards during the fourth quarter. In Week 3, he collected a season-high ten combined tackles (six solo) during a 27-22 win against the New Orleans Saints. Klein was inactive for the Panthers’ Week 6 victory at the Seattle Seahawks after suffering a concussion during a Week 4 victory at the Tampa Bay Buccaneers. Klein finished the season with 55 combined tackles (39 solo), one pass deflection, one sack, and one interception in 15 games and six starts.

During training camp in 2014, Klein competed against Chase Blackburn to be a starting outside linebacker. Head coach Ron Rivera named Klein and Thomas Davis the starting outside linebackers to begin the regular season, alongside middle linebacker Luke Kuechly. In Week 4, he collected a season-high seven combined tackles during a 38–10 loss at the Baltimore Ravens. Klein was inactive for the last two games (Weeks 16–17) due to an ankle injury. He finished the 2015 NFL season with 39 combined tackles (25 solo) in 14 games and eight starts.

The Carolina Panthers drafted Klein in the fifth round (148th overall) of the 2013 NFL Draft. Klein was the 16th linebacker drafted in 2013.

On May 23, 2013, the Carolina Panthers signed Klein to a four-year, $2.35 million contract that includes a signing bonus of $191,300.

He made his professional regular season debut during the Carolina Panthers’ season-opening 12–7 loss against the Seattle Seahawks. On November 10, 2013, Klein earned his first career start after Chase Blackburn was ruled inactive due to a foot injury he sustained the previous week. Klein collected a season-high five solo tackles and made his first career sack during their 10–9 victory at the San Francisco 49ers in Week 10. Klein sacked 49ers’ quarterback Colin Kaepernick for a 14-yard loss during the second quarter. He finished his rookie season in 2013 with 21 combined tackles (18 solo) and two sacks in 16 games and two starts.

While attending Iowa State University, Klein was a member of the Iowa State Cyclones football team from 2009 to 2012. He played in every game as a true freshman finishing the season with 17 tackles, and also caused and recovered a fumble. He played in 12 games, starting 10, as a sophomore, and finished second on the team in tackles with 111, including eight for loss. He also had three interceptions (returning 2 for touchdowns), four pass deflections, and a fumble recovery. In 2011, he started in all 13 games, recording 116 tackles, including 7.5 tackles for loss and two sacks, seven pass deflections, six pass break ups, and an interception (returned for a touchdown). He was named Big 12 Co-Defensive Player of the Year and earned All-Big 12 first team honors. In his senior season, he recorded 117 tackles, including 3.5 tackles for loss and one sack, three pass deflections, two pass break ups and an interception (returned for a touchdown). He earned All-Big 12 first team honors once again.

In track & field, Klein competed as a sprinter in spring of 2008. During the indoor season, he competed in the 55-meter dash and recorded a personal-best time of 7.01 seconds at the Oshkosh HS Invite. He competed in the 100-meter dash during the outdoor season, earning a 5th-place finish at the WIAA Regional with a time of 11.8 seconds.

A. J. Klein (born July 30, 1991) from Kimberly, Wisconsin is an American football linebacker for the Buffalo Bills of the National Football League (NFL). He played college football at Iowa State. He was drafted by the Carolina Panthers in the fifth round of the 2013 NFL Draft.