Ballpark — September 19, 2026

Answers to that day's 5 daily estimation questions.

Players on an NFL active roster

53 players

Plus a practice squad.

Career Grand Slam titles won by Serena Williams

23 titles

Singles titles only.

Average attendance at a Premier League soccer match

40,000 people

Based on recent season averages across 20 clubs.

Total height of all peaks in the Tour de France

150,000 feet

Cumulative elevation gain over 21 stages.

Max speed of a professional hockey puck

110 mph

Recorded during the NHL Skills Competition.