Gave away rook playing sicilian

1. e4 c5 2. c3 Nc6 3. Bb5 Ne5 4. d4 cxd4 5. cxd4 Ng6 6. e5 a6 7. Bc4 b5 8. Bd5 d6 9. Bxa8 dxe5 10. dxe5 Qxd1+ 11. Kxd1 Nxe5 12. Bf4 Ng6 13. Bg3 e6 14. Nf3 Nf6 15. Nbd2 Be7 16. Rc1 O-O 17. Be4 Nxe4 18. Nxe4 Bb7 19. Nc3 Rd8+ 20. Kc2 Rc8 21. Kb1 Bf6 22. Ne2 Be4+ 23. Ka1 Rd8 24. Rhd1 Re8 25. Nc3 Bb7 26. Rd7 Bc6 27. Rd6 Bb7 28. Rcd1 Ne7 29. Rd8 Rf8 30. Rxf8+ Kxf8 31. Rd8# {Black checkmated} 1-0

Two major blunders.

9. Bxa8 I do not know why I didn't look at it. Careless perhaps
29. Instead of Rd8 I could have gone for Kf8. I could have prolonged the game.