How well future pros sprint, jump and lift weights at the NFL Scouting Combine may tell us only a little bit about their career success.
Research suggests most North American college and professional hockey players don't specialize as youngsters.
New safety rules pose challenges for players and officials.
New research suggests that despite being tired, athletes can still sprint at top speed near the end of a long match.
Goal-line technology and a “VARification” system could reduce the number of controversial refereeing incidents during the tournament in Russia.