Jonathan Jackson Conklin (born August 17, 1994) is an American professional football offensive tackle for the Cleveland Browns of the National Football League (NFL). He played college football for the Michigan State Spartans and was selected by the Tennessee Titans eighth overall in the 2016 NFL draft. Conklin has been named a first-team All-Pro twice.
After redshirting his first year, Conklin started 13 of 14 games at either right or left offensive tackle his redshirted freshman year in 2013.
As a sophomore, Conklin started all 13 games at left tackle.
Conklin was selected as a 2015 First-team All-American ( Sporting News, USA Today) as well as the 2015 First-team All-Big Ten Conference (coaches, media).
During his career with the Spartans, Conklin started in 38 of his 39 career games (35 at left tackle and three at right tackle). On January 6, 2016, Conklin announced that he would forgo his senior season and declare for the 2016 NFL draft.
At the conclusion of the pre-draft process, Conklin was projected to be a first round pick and was expected to among the first 15 players selected by NFL draft experts and scouts. He was ranked as the third best offensive tackle prospect in the draft by DraftScout.com, NFL analyst Mike Mayock, and ESPN analyst Jeff Legwold. Conklin was ranked the fourth best offensive tackle by Sports Illustrated.
On May 26, 2016, Conklin signed a four-year, $15.89 million rookie contract with $15.44 million guaranteed and a signing bonus of $9.76 million.
Conklin entered training camp slated as the starting right tackle, replacing Byron Bell. Head coach Mike Mularkey named Conklin the starting right tackle to begin the regular season. Conklin joined starting left tackle Taylor Lewan, offensive guards Quinton Spain and Chance Warmack, and center Ben Jones.
Conklin made his professional regular season debut and first NFL start in the Titans' season-opening 25–16 loss to the Minnesota Vikings. On December 21, 2016, it was announced that Conklin was selected as an alternate for the 2017 Pro Bowl. He started in all 16 games during his rookie season in 2016 and was named First-team All-Pro. Conklin was also named to the PFWA All-Rookie Team. He received an overall grade of 88.9 from Pro Football Focus (PFF), which was the fifth highest among all offensive linemen in 2016 and was the highest overall grade among all rookie offensive linemen. The Titans' offensive line was ranked as the top offensive line in the league in 2016 by PFF. The Titans finished 9–7 from a 3–13 record the previous season and narrowly missed the playoffs.
The Titans finished second in the AFC South with a 9–7 record in 2017 and earned a playoff berth for the first time since 2008. On January 6, 2018, Conklin started in his first career playoff game as the Titans narrowly defeated the Kansas City Chiefs 22–21 in the AFC Wildcard Game. Conklin tore his ACL during a 35–14 road loss to the New England Patriots in the AFC Divisional Round.
Conklin missed the first three games of the season in order to recover from his ACL injury. Conklin suffered an injury during the 28–14 Week 9 victory against the Dallas Cowboys. He soon entered concussion protocol. Conklin would not play the next week against the Patriots. However, he did return for the Week 11 game against the Colts. Conklin then suffered a knee injury three weeks later against the Jacksonville Jaguars and was placed on injured reserve on December 11. The Titans finished 9–7 for the third consecutive year.
Conklin started all 16 games for the Titans in 2019, helping Derrick Henry win the NFL rushing yards title. The Titans finished 9–7 for the fourth consecutive year and qualified for the playoffs as the #6-seed in the AFC. In the playoffs, the Titans won upsets over the Patriots and the Baltimore Ravens, with Conklin blocking for Henry as he ran for nearly 200 yards in each game before losing the AFC Championship Game to eventual Super Bowl champions Kansas City Chiefs with Conklin starting all three playoff games.
On November 6, 2021, Conklin was placed on injured reserve with an elbow injury. He was activated on November 27. The next day, a Week 12 Sunday Night Football matchup against the Baltimore Ravens, Conklin suffered a right knee injury putting him out of the game. It was later revealed that Conklin tore his patellar tendon and was placed on season ending injured reserve.
On December 23, 2022, Conklin signed a four-year, $60 million contract extension with the Browns through the 2026 season.
In Week 1 of the 2023 season, Conklin suffered a torn ACL and MCL and was placed on season-ending injured reserve on September 12, 2023.
Conklin started all eight of his appearances for Cleveland during the 2025 season. On December 20, 2025, Conklin was placed on season-ending injured reserve due to a concussion he suffered in Week 13 against the San Francisco 49ers.
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