Apr 23, 2007 12:48 AM EST

Jon Lester moved one step closer to the major leagues since being declared cancer-free when he threw a side session at Fenway Park on Sunday before the Red Sox played the Yankees.

The left-hander is expected to make two more rehabilitation starts for Triple-A Pawtucket before Boston decides whether to put him on the big league roster. He already has made three starts at Class-A Greenville.

Via AP