In total, Knight estimated he lost “about 110 pounds” since his appearance in “Jurassic Park” in 1993 — one of several years when “Seinfeld” was also NBC’s top-rated show. He also shared a downside to his weight loss, claiming it has affected his career “in a bad way” by limiting the roles for which he’s considered.

Wayne Knight, who appeared in 44 episodes of “Seinfeld” as Jerry’s neighbor and nemesis Newman, says his weight loss hasn't helped his career.

Wayne Knight shared that he’s lost 110 pounds over his career by trying “everything.” The weight loss also impacted his career “in a bad way.”

It’s a safe bet that Wayne Knight isn’t choking down Chunky bars and full-fat frozen yogurt like his iconic “Seinfeld” character. Knight, 69, was recently spotted at Los Angeles International Airport by a camera operator working with TMZ,