[4] Throughout training camp, Jones competed for a roster spot as a backup safety and special teams player against Madieu Williams, Curtis Taylor, Chris Maragos, and Anthony West.

[5] Head coach Jim Harbaugh named Jones the third free safety on the depth chart to begin the regular season, behind Dashon Goldson and Madieu Williams.

[6] He made his professional regular season debut in the San Francisco 49ers' season-opening 33–17 victory against the Seattle Seahawks.

On December 4, 2011, Jones recorded a season-high two solo tackles in the 49ers' 26–0 win against the St. Louis Rams in Week 13.

[7] During training camp in 2012, Jones competed for a role as a backup safety against Trenton Robinson, Michael Thomas, Darcel McBath, Mark LeGree, and Ben Hannula.

[10] Head coach Ron Rivera named Jones the third free safety on the depth chart to begin the regular season, behind Haruki Nakamura and Sherrod Martin.

[14] In 2015, Jones recorded his first career interception in the Week 7 win against the Philadelphia Eagles quarterback Sam Bradford.