It's a custom font:

http://www.underconsideration.com/brandnew/archives/juventus_type_family.png
http://www.underconsideration.com/brandnew/archives/new_logo_and_identity_for_juventus_by_interbrand.php

Similar fonts & possible inspirations:

Nephrite Bold: https://www.myfonts.com/fonts/nine-font/nephrite/bold/
Rhodaelian: https://www.myfonts.com/fonts/sentinel/rhodaelian/
Core Mellow 69 Cp Bold: http://www.myfonts.com/fonts/s-core/core-mellow/cp-bold/
PAG Revolution: http://www.myfonts.com/fonts/prop-a-ganda/pag-revolucion/