Heather Jo Clark vs. Karolina Kowalkiewicz Set For UFC Fight Night 87

UFC has officially announced a Women's Strawweight addition to their upcoming UFC Fight Night 87 fight card scheduled for May.A bout between UFC Women's Strawweight contenders Karolina Kowalkiewicz and TUF veteran Heather Jo Clark is now official for UFN 87.UFC Fight Night 87 is scheduled for May 8 at the Ahoy Rotterdam in The Netherlands.