Whether Boone will attempt a comeback in 2010 as he nears age 37 is unknown .
Today , Boone announced that he will miss the entire 2009 season as he faces surgery for a faulty heart valve .
Whether Boone will attempt a comeback in 2010 as Boone nears age 37 is unknown .
Today , Boone announced that he will miss the entire 2009 season as he faces surgery for a faulty heart valve .