Injury knocks veteran Koscheck out of UFC 163

The Canadian Press

7/14/2013 9:54:53 AM

TORONTO -- An injury has forced welterweight Josh Koscheck out of his bout with Demian Maia at UFC 163 in Rio de Janeiro.

The main event of the Aug. 3 card pits featherweight champion Jose Aldo against Chan Sung Jung, better known as the Korean Zombie.

The South Korean challenger replaced Anthony (Showtime) Pettis, who had to drop out earlier with a knee injury.