TOR2002042906-TORONTO, Ontario, Canada, April 29 (UPI) -- The Toronto Raptors' Keon Clark collides with the Detroit Pistons' Michael Curry in Game 4 of their series in NBA playoff action at the Air Canada Center in Toronto, Canada on April 29, 2002. The Raptors defeated the Pistons 89-83 to tie the series and force Game 5. rlw/cc/Christine Chew UPI