William Lance Berkman (born February 10, 1976 in Waco, Texas) is a Major League Baseball player for the Houston Astros. His official listed height is six feet, one inch, and his weight is 220 pounds (100 kg). Berkman is a switch-hitting outfielder/first baseman who throws left-handed, a comparatively rare practice amongst non-pitchers. He is also known as "Big Puma" or "Fat Elvis" (although he has stated that he dislikes the latter). Additionally, he was given the nickname Berkwell once he took over Jeff Bagwell's first base position.