Having attracted 22 entries Sunday for next Saturday's GI Arkansas Derby, Oaklawn Park has split the race for sophomores into two divisions for the first time ever. Each race will carry a $500,000 purse--the Arkansas Derby was originally scheduled to be held Apr. 11 and worth $750,000. "Because of our national crisis, we and the entire world of sports are in uncharted waters requiring unprecedented actions," said Oaklawn President Louis Cella. "We're trying to make the best of a very, very difficult situation. On the one hand, it is the...