Fans get to watch their favorite athletes prepare for the baseball season during a full open workout at Orioles FanFest. The event, which runs 10:30 a.m.-3:30 p.m. Saturday at Camden Yards, 333 W. Camden St., includes an autograph session with current players, question-and-answer sessions with former and current team members and coaches, and fan forums. Also, children can enjoy a moon bounce and speed-pitching activity. Tickets are $10; $5 for children. Call 888-848-2473 or go to orioles.com.