Bowler (ten-pin) competitions. Professional bowlers in the USA are members of the Professional Bowlers Association (PBA). Bowler (ten-pin) A bowler is someone participating in the sport of bowling, either as an amateur or professional. In American ten-pin bowling, a bowler is most commonly a member of a team of three to six people. Most bowling leagues limit the number of team members to five, with alternates available as needed. Scoring a "Kegler" is 12 consecutive strikes in one game of bowling by one individual bowler, otherwise noted as a perfect game with a score of 300 (100% strikes). There are a number
Bowling ball all down with a single roll. Five-pin bowling balls have no finger holes and are between in diameter. They weigh between . The smaller size and lighter weight of the balls allows bowlers to hold the ball in the palm of their hand when bowling. The ball used in candlepins has a maximum weight of , and has a maximum diameter of , making it the smallest bowling ball of any North American bowling sport. The nearly identical weight of the ball, when compared to that of just one candlepin, tends to cause rapidly delivered balls to sometimes bounce at