Daniel Bullocks is in his third season with the 49ers and first as the team's safeties coach. He spent the previous two seasons (2017-18) as the 49ers assistant defensive backs coach.
In 2018, working alongside defensive backs coach Jeff Hafley, the 49ers secondary improved from 22nd in the NFL in passing yards allowed per game in 2017 to 11th in the league in 2018 (233.3). The 49ers also ranked 10th in the NFL in opponent completion percentage (63.5), improving from 20th the year prior. In his first season with San Francisco, CB Richard Sherman helped lead the 49ers secondary as he registered 37 tackles, 1.0 sack and four passes defensed. CB K'Waun Williams led the secondary with 45 tackles and DB Antone Exum Jr. set career highs in tackles (37) and passed defensed (seven) while also registering his first career sack and interception, which was returned for a touchdown.