He threw and batted right-handed, stood 6 feet 3 inches (191 cm) tall and weighed 215 pounds (98 kg; 15.4 st).

[5] On January 31, 2014, ESPN reported via his agent, Burton Rocks, that Oliver returned from a 13-year absence from professional baseball to manage the Lowell Spinners, the Red Sox' Short-Season Class A affiliate in the New York–Penn League.

[6] In two seasons at Lowell (2014–2015), Oliver led the Spinners to a 74–77 (.490) record; he was promoted to manager of the Class A-Advanced Salem Red Sox of the Carolina League for 2016 during the off-season.

Oliver was promoted to manager of the Portland Sea Dogs of the Double-A Eastern League for 2019;[9] the team played to a 62–77 record.

[11] In March 2021, it was announced that Oliver would manage the newly formed Bluefield Ridge Runners, a collegiate summer team in the Appalachian League.

[14] Oliver resides in Orlando, Florida, and until 2014 coached the varsity baseball team at Bishop Moore Catholic High School.