A player who follows the ball, rather than playing in a set position.
 he sent a balanced hand pass to the on-baller running forward
 Example sentencesExamples
-  He was dominating the center ruck contests and his on-ballers were feasting on the results.
 -  The recruitment of these talented on-ballers headlined a successful period for the club.
 -  For the hard-running on-baller, this is his first game back since the operation.
 -  The on-baller has been in strong form after returning from a second knee reconstruction.
 -  The brilliantly gifted on-baller with electric pace was an incredible talent.
 -  The job won't get any easier without their star on-baller, who misses with a shoulder injury.
 -  He had a field day as an open-side on-baller.
 -  Nine of its on-ballers hit the scoreboard.
 -  The injury-prone on-baller hasn't played in the AFL since ruining his knee in April.
 -  His speed and silky skills make him one of the most damaging on-ballers in the competition.