Paulinho 'driven by challenges' at Corinthians

RIO DE JANEIRO, Jan. 14 (Xinhua) -- Former Tottenham and Barcelona midfielder Paulinho said Friday that he is motivated and eager for success as he embarks on his second spell with Brazilian giants Corinthians.

Paulinho spoke to the media for the first time since his return to the Brazilian Serie A side as a free agent was confirmed in mid-December.

"I'm a guy who is driven by challenges. I said I would c