Sebastian Joseph-Day Bio
Sebastian Joseph-Day is an American professional football nose tackle for the Pittsburgh Steelers of the National Football League (NFL). He played college football for the Rutgers Scarlet Knights. Over the course of his NFL career, he has played for the Los Angeles Rams, Los Angeles Chargers, San Francisco 49ers, Tennessee Titans, and Pittsburgh Steelers. He won Super Bowl LVI as a member of the Rams. Standing 6 feet 4 inches tall and listed at 310 pounds, Joseph-Day has built his career on the interior defensive line.
Early Life and Background
Sebastian Joseph-Day was born on March 21, 1995, in Stroudsburg, Pennsylvania. He grew up in the same small Pennsylvania town and attended Stroudsburg High School, where he played for the Mountaineers under head coach Joe Bernard. Stroudsburg competes in the Eastern Pennsylvania Conference, one of the most respected high school athletic conferences in the country.
During his high school years, Joseph-Day developed into a promising defensive lineman and was ranked the 30th-best prospect in Pennsylvania by Rivals.com. His play at Stroudsburg drew attention from several college programs, and he eventually fielded scholarship offers from Connecticut, Maryland, and Temple before deciding where he would continue his football career.
Path to American Football
After completing his high school career, Joseph-Day chose to play college football at Rutgers University, where he spent five seasons developing into an NFL-caliber defensive tackle. He joined the Scarlet Knights in 2013 and redshirted after appearing in one game and suffering an injury. Over the following seasons, he worked his way into a larger role on the defensive line.
By the time he reached his senior season in 2017, Joseph-Day had become a full-time starter at nose tackle, starting all 12 games and posting 35 total tackles, 4.5 tackles-for-loss, and 1.5 sacks. His senior performance earned him Honorable Mention All-Big Ten recognition and positioned him for the 2018 NFL Draft.
Sebastian Joseph-Day Career
Early Career (2018–2019)
Sebastian Joseph-Day was selected by the Los Angeles Rams in the sixth round, 195th overall, of the 2018 NFL Draft. He was the second Rutgers player taken that year, following Kemoko Turay, who was selected by the Indianapolis Colts in the second round. As a rookie, Joseph-Day was inactive for every game but used the season to learn the Rams’ defensive system.
In 2019, Joseph-Day was named a full-time starter and quickly became a reliable presence on the Rams’ interior defensive line. He finished his first full season with two sacks, 44 total tackles, and one pass defended. The following year, in 2020, he produced one sack, 55 total tackles, three passes defended, and one forced fumble while anchoring the middle of the Rams’ defense.
Los Angeles Rams Breakthrough (2018–2021)
Joseph-Day continued to develop with the Rams through the 2021 season, when he recorded three sacks and 38 total tackles in only seven games before a torn pectoral ended his year in early November. He was placed on injured reserve on November 5, 2021, and underwent surgery. Despite the injury, the Rams activated him off injured reserve on February 11, 2022, in time for the postseason.
That activation proved decisive for Joseph-Day’s career, as he was part of the Rams team that won Super Bowl LVI, defeating the Cincinnati Bengals 23–20. The championship validated his steady climb from a sixth-round pick to a starter on a Super Bowl-winning defense.
Los Angeles Chargers Era (2022–2023)
On March 16, 2022, Sebastian Joseph-Day signed a three-year, $24 million contract with the Los Angeles Chargers. He stepped into a starting role on the interior of the Chargers’ defensive line and produced one of the most complete seasons of his career in 2022, playing all 16 games and finishing with two sacks, 56 total tackles, one interception, one pass defended, and one forced fumble.
During a Week 7 game against the Seattle Seahawks in 2022, Joseph-Day recorded a safety when he and teammate Troy Reeder tackled Kenneth Walker III in the end zone. His season was interrupted in December when he was diagnosed with an MCL sprain, and his time with the Chargers ended on December 22, 2023, when he was released by the team.
San Francisco 49ers Era (2023)
On December 27, 2023, Joseph-Day signed with the San Francisco 49ers, joining the team late in the regular season. His brief tenure with the 49ers was marked by a deep postseason run, as he was a member of the team that appeared in Super Bowl LVIII in February 2024. That appearance marked his second Super Bowl of his NFL career.
Tennessee Titans Era (2024–2025)
On March 20, 2024, Sebastian Joseph-Day signed with the Tennessee Titans, beginning a new chapter of his career in the AFC South. He appeared in all 17 games during the 2024 season, including 12 starts, and finished the year with 44 tackles, 2.5 sacks, and a pass deflection. On March 13, 2025, the Titans re-signed him to a one-year, $5 million contract, signaling continued confidence in his role on the defensive line.
During the 2025 season, Joseph-Day produced two sacks, 41 tackles, and one fumble recovery while serving as a veteran presence on the Titans’ roster.
Pittsburgh Steelers Era (2026–Present)
On March 16, 2026, Joseph-Day signed with the Pittsburgh Steelers on a two-year, $11 million contract. The move gave him a fresh opportunity to contribute to another AFC defense and added him to a roster that has long valued tough, experienced interior linemen.
Driving Style and Strengths
Sebastian Joseph-Day is known for his combination of size, leverage, and quickness at the nose tackle position. Listed at 6 feet 4 inches and 310 pounds, he uses his frame to anchor against the run while showing enough athleticism to pressure quarterbacks and contribute in pass coverage, as evidenced by his career interception and pass deflections. His reliability and durability have made him a steady starter across multiple teams.
Notable Events and Milestones
Joseph-Day’s signature milestone came when he won Super Bowl LVI with the Los Angeles Rams after being activated off injured reserve. He later appeared in Super Bowl LVIII as a member of the San Francisco 49ers, becoming one of the few players to reach multiple Super Bowls in a short span. Other notable moments include his safety against the Seattle Seahawks in 2022 and his career-best 56-tackle season with the Chargers.
Sebastian Joseph-Day Career Statistics
Across his NFL career through the 2025 season, Sebastian Joseph-Day has compiled 314 total tackles, 15.5 sacks, two forced fumbles, two fumble recoveries, six pass deflections, and one interception. He has played in over 100 regular-season games and started the majority of those contests, establishing himself as a durable interior defender.
Los Angeles Rams Highlights
During his four seasons with the Rams from 2018 to 2021, Joseph-Day grew from an inactive rookie into a reliable starting nose tackle. He peaked in 2020 with 55 total tackles and added three sacks during the injury-shortened 2021 campaign. His tenure with the Rams culminated in a Super Bowl LVI championship.
Los Angeles Chargers Highlights
Joseph-Day enjoyed his most productive statistical season with the Chargers in 2022, recording 56 tackles, two sacks, one interception, and one forced fumble while playing all 16 games. He also produced a memorable safety against the Seattle Seahawks that season.
Sebastian Joseph-Day Family
Family Background and Personal Life
Sebastian Joseph-Day is married to Rachel Joseph-Day, and the couple has one son. He has spoken publicly about his Christian faith and the role it plays in his life and career.
Off-Field Interests
Outside of football, Joseph-Day has appeared as a fill-in co-host on the podcast “Hotboxin’ with Mike Tyson,” an opportunity that led to a continued co-hosting role. He also hosts a restaurant tour series on his YouTube channel called “Dine n’ Bash.” In July 2021, he launched “Bashing Hunger,” a charitable initiative focused on fighting food insecurity through awareness, food rescue, and nutritional education.
2025 Season Performance
Sebastian Joseph-Day spent the 2025 season with the Tennessee Titans after re-signing with the team on a one-year, $5 million contract in March 2025. He appeared regularly on the defensive line and finished the year with two sacks, 41 tackles, and one fumble recovery, providing steady veteran production in the middle of the Titans’ defense.
As a respected interior presence, Joseph-Day continued to log significant snaps and contributed to run defense while offering occasional pass-rush impact. His role within the Titans’ defensive scheme remained consistent throughout the campaign, helping younger linemen develop around him.
Following the conclusion of the 2025 season, Joseph-Day moved on to the Pittsburgh Steelers, where he signed a two-year, $11 million contract on March 16, 2026, beginning the next phase of his professional career.
