Defensive additions fail to make early impact for Raiders
FILE - In this Aug. 16, 2020, file photo, Las Vegas Raiders linebacker Cory Littleton (42) stretches during an NFL football training camp practice in Henderson, Nev. The Raiders set out to bolster the middle of their defense this offseason by adding a penetrating defensive tackle in Maliek Collins and a versatile linebacker in Littleton. (Chase Stevens/Las Vegas Review-Journal via AP, Pool, File)

FILE - In this Aug. 16, 2020, file photo, Las Vegas Raiders linebacker Cory Littleton (42) stretches during an NFL football training camp practice in Henderson, Nev. The Raiders set out to bolster the middle of their defense this offseason by adding a penetrating defensive tackle in Maliek Collins and a versatile linebacker in Littleton. (Chase Stevens/Las Vegas Review-Journal via AP, Pool, File)

Oct. 01, 2020 06:01 PM EDT
FILE - In this Aug. 20, 2020, file photo, Las Vegas Raiders defensive tackle Maliek Collins (97) warms up during an NFL football training camp practice in Henderson, Nev. The Raiders set out to bolster the middle of their defense this offseason by adding a penetrating defensive tackle in Collins and a versatile linebacker in Cory Littleton. (AP Photo/John Locher, Pool, File)

FILE - In this Aug. 20, 2020, file photo, Las Vegas Raiders defensive tackle Maliek Collins (97) warms up during an NFL football training camp practice in Henderson, Nev. The Raiders set out to bolster the middle of their defense this offseason by adding a penetrating defensive tackle in Collins and a versatile linebacker in Cory Littleton. (AP Photo/John Locher, Pool, File)

Oct. 01, 2020 05:59 PM EDT