<a href="http://api.tweetmeme.com/share?url=http://sports.espn.go.com/dallas/nba/news/story?id=6561810&campaign=rss&source=NBAHeadlines& service=bit.ly&source=espn"><img style="padding-left:10px;" align="right" border="0" style="border:none;" src="http://api.tweetmeme.com/imagebutton.gif?url=http://sports.espn.go.com/dallas/nba/news/story?id=6561810&campaign=rss&source=NBAHeadlines" height="49" width="41" /></a>An elbow by Oklahoma City center Kendrick Perkins bloodied Shawn Marion's nose and dazed the Dallas forward. It did not, however, keep the Mavericks forward off the floor for one second.