What is the best way to catch a particular sporting moment? photograph a new sport so you'll be alert. look at what other photographers are doing. know the sport really well so you can anticipate the moment when something exciting might happen. listen for the crowd to react and press the shutter release button.

The most appropriate answer would be knowing the sport really well so that you can anticipate the moment when something exciting might happen. Looking at what photographers are doing is not enough. You need to understand what the  players are doing and the rules involved. By knowing the sport, you as well know when would be the best time to capture a sporting event.