

Introduction
Marcus Ball (born July 21, 1987) is an American football safety for the San Francisco 49ers of the National Football League (NFL). He signed as an undrafted free agent with the Toronto Argonauts of the Canadian Football League on February 10, 2012. Ball was a member of the 100th Grey Cup winning team. Ball attended Stephenson High School in Stone Mountain, Georgia, where he was voted Class 5A defensive player of the year. He played college football at Florida State, Pearl River Community College, and Memphis.
Professional career
Toronto Argonauts
In two seasons with Toronto, Ball had 142 tackles, 7 sacks, 3 fumble recoveries, and 4 interceptions (with 2 touchdown returns). On February 17, 2014, Ball was released by the Argonauts.
New Orleans Saints
Ball signed a three-year contract with the New Orleans Saints on April 2, 2014, but was released on May 4, 2015.
Carolina Panthers
On May 21, 2015, Ball signed with the Carolina Panthers. On September 5, 2015, he was released by the Panthers. He was re-signed to the practice squad on September 29.
Ball was accused of threatening New York Giants player Odell Beckham Jr. while holding a baseball bat on the field prior to the game on December 20, 2015. On February 9, 2016. Ball signed a futures contract with the Carolina Panthers.
On September 3, 2016, Ball was waived by the Panthers as part of final roster cuts. The next day he was signed to the Panthers' practice squad. On September 23, Ball was elevated to the active roster to replace injured teammate Dean Marlowe. He was released on September 27, 2016. He re-signed to the practice squad on September 29. He was released on October 12, 2016.
Jacksonville Jaguars
On October 12, 2016, Ball was signed to the Jacksonville Jaguars' practice squad. On October 24, Ball was waived by the Jaguars.
San Francisco 49ers
On November 22, 2016, Ball was signed to the San Francisco 49ers' practice squad. He was promoted to the active roster on November 29, 2016.