Michael Martinez, left paralyzed from a September spill at Golden Gate Fields, will make his first public appearance since then at a fund-raising dinner for him Sunday at the Moose Lodge at 13233 San Pablo Ave. in San Pablo, Calif. A $20 donation includes dinner and live musical entertainment by Jun Simundo and Band. Reservations and further information are available from Johnny Palmer at (510) 734-5469. Donations can also be made to “Michael Martinez Fund” at First Bank, 13830 San Pablo Ave., Suite A, San Pablo, Calif 94806.