Was Sylvester Stallone a boxer?

Related questions

1. Why did Rocky go broke?
2. How did Rocky lose all his money?
3. Why did they take down the Rocky statue?
4. Did Rocky get brain damage?
5. How much did Stallone make for Rocky?
6. What happened to Sylvester Stallone son?
7. Which Rocky does creed die?
8. Is Rocky a real person?
9. Is Rocky Balboa dead?
10. Is the statue of Rocky Balboa real?

Tags

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2. #boxer
3. #vietnam
4. #stallone
5. #heroic
6. #balboa
7. #known
8. #popular
9. #difficult
10. #characters
11. #rocky
12. #actor
13. #action
14. #stars
15. #childhood
16. #director
17. #writer
18. #producer
19. #veteran
20. #rambo
21. #portraying
22. #sylvester