Training camp preview: S photos
View photos of the safeties competing for roster spots entering training camp.

Detroit Lions defensive back Tracy Walker (47) during an OTA practice at the Detroit Lions training facility on Wednesday, May 30, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Miles Killebrew (35) during an OTA practice at the Detroit Lions training facility on Monday, June 11, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Rolan Milligan (41) during rookie minicamp practice at the Detroit Lions training facility on Friday, May 1, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Charles Washington (45) during a minicamp practice at the Detroit Lions training facility on Tuesday, June 5, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Glover Quin (27) during a minicamp practice at the Detroit Lions training facility on Tuesday, June 5, 2018 in Allen Park, Mich. (Detroit Lions via AP)

offseason workouts

Detroit Lions safety Stefan McClure (30) during voluntary minicamp practice at the Detroit Lions training facility on Thursday, April 26, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Glover Quin (27) during a minicamp practice at the Detroit Lions training facility on Tuesday, June 5, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions defensive back Tracy Walker (47) during an OTA practice at the Detroit Lions training facility on Thursday, June 14, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Charles Washington (45) during an OTA practice at the Detroit Lions training facility on Wednesday, May 30, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Miles Killebrew (35) during a minicamp practice at the Detroit Lions training facility on Thursday, June 7, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Rolan Milligan (41) during voluntary minicamp practice at the Detroit Lions training facility on Wednesday, April 25, 2018 in Allen Park, Mich. (Detroit Lions via AP)

offseason workouts

Detroit Lions safety Miles Killebrew (35) during voluntary minicamp practice at the Detroit Lions training facility on Thursday, April 26, 2018 in Allen Park, Mich. (Detroit Lions via AP)

offseason workouts

Detroit Lions defensive back Tracy Walker (47) during an OTA practice at the Detroit Lions training facility on Monday, June 11, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Charles Washington (45) during an minicamp practice at the Detroit Lions training facility on Wednesday, June 6, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Stefan McClure (30) during voluntary minicamp practice at the Detroit Lions training facility on Tuesday, April 24, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Glover Quin (27) smiles during a minicamp practice at the Detroit Lions training facility on Tuesday, June 5, 2018 in Allen Park, Mich. (Detroit Lions via AP)

Detroit Lions safety Rolan Milligan (41) during an OTA practice at the Detroit Lions training facility on Tuesday, May 22, 2018 in Allen Park, Mich. (Detroit Lions via AP)