The Trail Blazers announced the death of Kersey, who spent one season with the Lakers, 1996-97.
Kersey died of a pulmonary thromboembolism after a blood clot broke from his left calf and traveled to his lungs, Dr. Larry Lewman of the Oregon state medical examiner's office told the Portland Oregonian newspaper.
Kersey averaged 10.3 points and 5.5 rebounds in 17 seasons in the
The 6-foot-7, 215-pound Kersey had his best season in 1987-88, averaging 19.2 points and 8.3 rebounds. He played in 1,153 regular-season games, also averaging 1.9 assists and 1.2 steals.
He retired from basketball in 2001 and was an assistant coach with Milwaukee in 2004-05 under Porter. He served as a team ambassador for the Trail Blazers and appeared on broadcasts for Comcast SportsNet Northwest.
Kersey was born June 26, 1962, in Clarksville, Va. At Longwood College in Farmville, Va., then a Division II school, Kersey averaged 17 points and 11.3 rebounds. He was a second-round pick by the Blazers in the 1984 draft.
Kersey is survived by his wife, Teri, of Lake Oswego, Ore.