Cleveland Browns mascot Swagger runs onto the field prior to the game against the New Orleans Saints at FirstEnergy Stadium on September 14, 2014 in Cleveland, Ohio.

SJ served as the Cleveland Browns' live mascot since Week 10 of the 2019 season when he took over for his father, Swagger.

SJ, also known as "Swagger Jr.," served as the Browns' live mascot since Week 10 of the 2019 season when he took over for his father, Swagger.

The Cleveland Browns announced the passing of mascot ‘SJ’ on Tuesday.

The Cleveland Browns have lost a dear friend. The franchise is announcing the passing of the dog SJ that serves as the team’s mascot. It was six years old.

CLEVELAND, Ohio — Happy 10th anniversary to Cleveland Browns 101, and to all who celebrate. Originally, this course was created to relay the history of the historic franchise, especially for new ...

In the Browns' news announcement, which they shared via the team's X account, they shared the heartbreaking update. The team also shared some extremely kind words for their beloved mascot.

CLEVELAND -- Nobody, at least still living, knows for sure how Brownie the Elf came to be the first official mascot of the Cleveland Browns some 76 years ago. Yet one fact is certain: It was Art ...

Swagger Jr., the Cleveland Browns' bullmastiff mascot (also known as SJ), has passed away, the team has sadly announced. The adorable pup succeeded his father, Swagger, as the Browns' mascot in 2019.