With the worst production in the majors from their center fielders, the Marlins have expressed interest in Mariners outfielder Joe Borchard. Borchard, 27, was designated for assignment on April 23 after appearing in just six games for Seattle. He must be traded, released or passed through waivers by Wednesday. Marlins center fielders entered Sunday's game last in the majors in on-base percentage (.195) and tied for last in batting average (.154).