Whitecaps, Sounders jockeying for playoff position [Video]

With four games left in their regular-season campaign, Vanni Sartini is challenging his Vancouver Whitecaps to adjust their mindset.

The club clinched its post-season spot last weekend. Now the head coach wants every game from here on out to be treated like a playoff matchup, starting Wednesday when the ‘Caps (13-9-8) host their regional rivals, the Seattle Sounders (14-9-8).

“We try to win the game. We have the luck to be already qualified, so even though it’s not like a do or die, we can’t be scared,” Sartini said. “Now it’s all about the prize that is in front of us. And the prize will hopefully make us perform in a way that is with no restraint, with no fear, with a lot of confidence and going there to try to win.”

Vancouver has made the playoffs in three of the last four seasons, but hasn’t made it out of …