Horses and jockeys charge toward the finish of a race on Santa Anita Derby day. The Derby was the most prominent event on a schedule that included 11 horse races. Tom Goldman/NPR hide caption

A pitch clock behind home plate at Scottsdale Stadium in Arizona, spring training home of the San Francisco Giants. As part of Major League Baseball's efforts to increase the game's pace of play, pitch clocks were used on an experimental basis at some spring training games. But the experiment ended in mid-March. Tom Goldman/NPR hide caption