[13] In Week 9 of the 2020 season against the Las Vegas Raiders, Tillery recorded a strip sack on Derek Carr that he also recovered during the 27–25 loss.
[16] The Chargers declined the fifth-year option on Tillery's contract on May 2, 2022, making him a free agent after the season.
[19] He finished the 2022 season with one sack, 18 total tackles (13 solo), and one forced fumble over 15 games and four starts with both teams.
[21] In an October 1 game against the Los Angeles Chargers, Tillery was ejected after a late hit on former teammate Justin Herbert.
[22] In the 2023 season, he finished with two sacks, 31 total tackles (11 solo), and one fumble recovery in 17 games and six starts.