SANTA CLARA, Calif. -- LaMichael James has been itching for a chance to contribute this season for the San Francisco 49ers.Sunday, it could come in the form as a return man. The second-year player said he has been practicing punt returns and has been working extra after practice at it. He said Thursday he has not been told if he will return punts (he has also been working on kickoffs), but he said in his my mind, he is expecting to be the return man.