The Boston Red Sox are all in on Cuba, with their pursuit of acclaimed prospect Yoan Moncada the latest example. Moncada's representative, David Hastings, said Tuesday he is hopeful the contract with a $31.5 million signing bonus will be finalized by the end of the week. The cost for the Red Sox will double because of the tax for exceeding the international signing bonus pool, a provision in baseball's collective bargaining agreement. ''With high-ceiling players, you have to take risks, especially on young players.'' General manager Ben Cherington decline to confirm the agreement with Moncada, a switch-hitting, multi-skilled middle infielder who was heavily courted by multiple teams. More...