St. Louis / Los Angeles Rams 2014 The
St. Louis Rams selected Joyner in the second round (41st overall) of the
2014 NFL draft. Joyner was the fifth safety selected in 2014. The Rams traded their second round (44th overall) and fifth round (153rd overall) to the
Buffalo Bills in order to move up and draft Joyner. The Buffalo Bills used their acquired picks to draft
Alabama's Cyrus Kouandjio and
Baylor's Cyril Richardson. On June 16, 2014, the Rams signed Joyner to a four-year, $5.03 million
contract that includes $3.07 million guaranteed and a
signing bonus of $1.97 million. Head coach
Jeff Fisher named Joyner the starting
nickelback and the third free safety on the Rams' depth chart to begin the regular season. He made his professional regular season debut in the Rams' season-opener against the
Minnesota Vikings and recorded three solo tackles during their 34–6 loss. He pushed
Greg Jennings out of bounds after an 11-yard reception in the first quarter for his first career regular season tackle. On October 26, 2014, Joyner recorded a season-high ten combined tackles (nine solo) during a 34–7 loss at the
Kansas City Chiefs in Week 8. On November 9, 2014, Joyner exited in the first quarter of the Rams' 31–14 loss at the
Arizona Cardinals after sustaining a groin injury. His
groin injury sidelined him for the next three games (Weeks 11–13) and he was replaced by cornerback
E. J. Gaines during his absence. Joyner missed another two games (Weeks 14–15) as a healthy scratch after defensive coordinator
Gregg Williams opted to retain Gaines at nickelback. In Week 17, Joyner earned his first career start, recorded four combined tackles, and made his first career sack on quarterback
Russell Wilson in the Rams' 20–6 loss at the
Seattle Seahawks. He finished his rookie season with 40 combined tackles (35 solo), two pass deflections, and a sack in ten games and one start.
2015 He entered
training camp competing for the job as the first-team nickelback against E.J. Gaines. Joyner became the
de facto nickelback after Gaines sustained a
lisfranc injury that was expected to sideline him for the entire season. He appeared in the Rams' season-opener against the Seahawks and recorded a season-high seven solo tackles and a sack on Russell Wilson in their 34–31 loss. On November 9, 2015, Joyner was involved in a controversial play after delivering a late hit on quarterback
Teddy Bridgewater in the fourth quarter of the 21–18 overtime loss to the Vikings. During the play, Bridgewater was performing a baseball slide after running for a five-yard gain and was hit by Joyner and immediately knocked unconscious. The Rams were received a 15-yard penalty for unnecessary roughness and Joyner would subsequently be fined $23,152 by the NFL. On December 6, 2015, Joyner tied his season-high of seven combined tackles and two pass deflections during a 27–3 loss against the Cardinals. He finished the 2015 season with 72 combined tackles (54 solo), six pass deflections, and two sacks in 16 games and six starts. Head coach
Jeff Fisher named Joyner the fourth cornerback on the Rams' depth chart to begin the regular season, behind
Trumaine Johnson,
E. J. Gaines, and Coty Sensabaugh. On October 16, 2016, Joyner recorded a season-high ten combined tackles (eight solo) and deflected a pass during a 31–28 loss at the
Detroit Lions. In Week 4, he made four solo tackles, deflected a pass, and sacked quarterback
Ryan Tannehill in the Rams' 14–10 loss to the
Miami Dolphins. He finished the 2016 season with 66 combined tackles (50 solo), five pass deflections, and a sack in 14 games and eight starts. On April 17, 2017, it was reported that Joyner would remain at free safety heading into
training camp. He competed for the starting free safety job against
Cody Davis and
John Johnson. Head coach
Sean McVay officially named Joyner the starting free safety, alongside strong safety
Maurice Alexander, to begin the regular season. He started the
Los Angeles Rams' season-opener against the
Indianapolis Colts and recorded four solo tackles, two pass deflections, and returned an interception by
Scott Tolzien for a 29-yard touchdown in the fourth quarter of their 46–9 victory. The following week, Joyner recorded a season-high nine combined tackles during a 27–20 loss to the
Washington Redskins. On December 3, 2017, he made a season-high three pass deflections, five combined tackles, and returned an interception by
Carson Palmer in the Rams' 32–16 victory at the Cardinals in Week 13. Joyner was inactive for the Rams' Week 17 loss to the
San Francisco 49ers, due to the decision by head coach Sean McVay to rest him for the playoffs. He finished his first season as the starting free safety with 49 combined tackles (39 solo), nine pass deflections, three interceptions, a forced fumble, and a touchdown in 12 games and 12 starts.
Pro Football Focus gave Joyner an overall grade of 90.3, ranking him third among all qualified safeties in 2017. The Rams finished first in the
NFC West with an 11–5 record in their first season under head coach Sean McVay. On January 6, 2018, Joyner started in his first career playoff game and recorded 11 combined tackles (ten solo) in the Rams' 26–13 loss to the
Atlanta Falcons in the NFC Wildcard Game. On April 16, 2018, Joyner signed his one-year, $11.28 million franchise tag to remain with the Rams for the 2018 season. In week 11 against the
Kansas City Chiefs, Joyner made his first interception of the season off quarterback
Patrick Mahomes II. His interception sealed a 54–51 Rams win. Joyner finished the season with 78 tackles and 1 interception. He helped the Rams reach
Super Bowl LIII after they defeated the
Dallas Cowboys and
New Orleans Saints in the playoffs. The Rams would eventually fall 13–3 to the
New England Patriots in the Super Bowl.
Oakland / Las Vegas Raiders 2019 On March 14, 2019, Joyner signed a four-year, $42 million contract with the
Oakland Raiders. Joyner made his debut with the Raiders in week 1 against the
Denver Broncos. In the game, Joyner made six tackles in the 24–16 win.
2020 Joyner was placed on the reserve/
COVID-19 list by the team on November 17, 2020, and activated three days later. He was placed back on the COVID-19 list on November 22, 2020. and activated again on December 2, 2020. Joyner was released after the season on March 9, 2021.
New York Jets Joyner signed a one-year contract with the
New York Jets on March 22, 2021. He was placed on injured reserve on September 14, 2021 after suffering an elbow injury in Week 1. On March 15, 2022, Joyner signed a one-year contract extension with the Jets. He started 14 games for the team, recording three interceptions, one fumble recovery, and 57 total tackles. On January 7, 2023, Joyner was placed on season–ending injured reserve. ==NFL career statistics==