Ryan Crouser and Joe Kovacs can heave a 16-pound ball farther than just about anyone else. Meanwhile, their lives have become track and field’s version of a buddy flick.[...snip...] Crouser got the best of Kovacs again at the indoor championships on Saturday in Staten Island, putting his shot 72 feet 10 3/4 inches to Kovacs’s 70 feet 2 1/2 inches. [...snip...] “You don’t have to worry about the implement or the elements or even a team,” said Crouser, who is 6-foot-8 and about 320 pounds. “It almost gets addicting to measure your progress so accurately. All that matters is pure...