1. Mo Farah's resting heart rate is 33 beats per minutes!
2. William Webb Ellis was the inventor of rugby in 1823!
3. Shin guards date back to the Greeks and Romans!
4. The strings on tennis rackets were made with sheep intestines!
5. Football is the most popular sport in the world!
6. Some cricket matches can go on for 5 days!
7. Lionel Messi is the most paid footballer and earns over £26 million per year!