Career
Born in Rome, Lazio, Papini started his career at Serie B team Ternana. Later, between 2003 and 2005 he was loaned to Legnano and Pavia. In the 2005-2006 season he returned to plays with Ternana.
On 24 August 2006 passes on loan with the right of redemption to Pescara.
At the end of season he returns to Ternana, where he remained two seasons. In the summer session of the transfer passes outright to Grosseto in Serie B, and on 24 June 2011 passes to Spezia.