(CNN) — Jack Klugman, best known as the messy sports writer Oscar Madison in TV’s “The Odd Couple,” died Monday, his son Adam said. He was 90. Klugman, who won two Emmys for his role in the early 1970s sitcom, also starred in “Quincy M.E.” as Medical Examiner Dr. R. Quincy from 1976 to 1983. […]