Kellner’s numbers speak for themselves: 489 attempts with only 19 errors. That level of consistency is rare, especially with that much responsibility. Reliability like that allows a team to stay steady, even when the match gets chaotic.

Harper Kellner’s serving numbers are hard to ignore. Last season, she handled an impressive 489 serving attempts while recording 46 aces and just 19 errors. That’s an incredible level of consistency over a large volume of serves. Even more impressive, she maintained pressure without giving away points from the service line. Players who can manage that kind of workload become major assets for their teams. After months of additional reps during club season, Kellner enters the fall as a player to watch.