San Francisco 49ers head coach Kyle Shanahan discussed new running back Brian Robinson Jr. on Sunday, saying the former Washington Commanders ' starting back would be Christian McCaffrey's backup.

It hasn't taken long for San Francisco 49ers running back Brian Robinson Jr. to settle in with his new team. After Robinson was traded to San Francisco by the Washington Commanders in one of the offseason's most surprising moves thus far,

Without Robinson, Washington will be working with veteran third-down back Austin Ekeler, special-teamer Jeremy McNichols, third-year ball-carrier Chris Rodriguez and seventh-round draft pick Bill Croskey-Merritt, a Sidney Lanier High School and Alabama State alumnus.