MG Golf Balls Senior Longest with Speed, Distance, & Maximum Enjoyment (1-Dozen)The longest ball for golfers whose drives are less than 250 yards. (Individual results may vary.) Expect more distance. Astonishingly more. The MG Senior flies higher and longer, with a hotter feel off the face and a sound you aren't used to hearing anymore. And you can expect 1 to 1 1 2 clubs longer with your irons too! Putts feel more solid. USGA non conforming. The MG Senior (unlike our other balls) is not legal for most tournament play. It is for