[When Bostonians today wax nostalgic about the great Celtics teams of the 1970s, the name Jim Ard rarely, if ever, enters the conversation. But the 6-foot-9 Ard, who spent parts of three seasons in Boston (1974-1977) was always a capable backup to Dave Cowens. He also came up clutch for the Celtics during the 1976 NBA Finals, knocking down two free thro…
