the starting free safety job after it was left vacant by the departure of Rodney McLeod. Defensive coordinator Gregg Williams held an open competition for the job between Alexander, Cody Davis, and Christian Bryant. Head coach Jeff Fisher named Alexander the starting free safety to begin the regular season, opposite strong safety T.J. McDonald. On October 2, 2016, Alexander collected five combined tackles and a sack in their 17–13 victory at the Arizona Cardinals in Week 4. In Week 11, he made four combined tackles, broke up a pass, and made his first career interception during a 14–10 loss to the Miami Dolphins. Alexander intercepted a pass by Ryan Tannehill that was originally intended for DeVante Parker during the third quarter. On December 11, 2016, Alexander recorded four combined tackles before exiting the Rams' 42–14 loss to the Atlanta Falcons in Week 14 due to a possible concussion. The injury occurred when Alexander delivered a helmet-to-helmet hit on wide receiver Nick Williams after Williams' caught a ten-yard reception. The collision knocked Alexander unconscious and he was immediately carted off the field. Both players were diagnosed with concussions and Alexander was inactive for the next two games (Weeks 15–16). The following day, Los Angeles Rams' general manager Les Snead fired head coach Jeff Fisher and named special teams coordinator John Fassel the interim head coach for the last three games of the regular season. Alexander finished his first season as a full-time starter with a career-high 50 combined tackles (38 solo), four pass deflections, two interceptions, and a sack in 14 games and 14 starts. 2017 Throughout training camp, Alexander competed against rookie John Johnson for the job as the starting strong safety. Head coach Sean McVay named him the starting strong safety to begin the season, along with free safety Lamarcus Joyner. He started in the Los Angeles Rams' season-opener against the Indianapolis Colts and recorded two combined tackles in their 46–9 victory. The following week, Alexander collected a season-high nine combined tackles during a 27–20 loss to the Washington Redskins in Week 4. Defensive coordinator Wade Phillips demoted Alexander in Week 5 and named rookie John Johnson the starter in his place. Alexander was listed inactive as a healthy scratch for the Rams' 16–10 loss to the Seattle Seahawks. On October 9, 2017, the Los Angeles Rams released Alexander after he struggled in the first four games of the