SACRAMENTO, Calif. (AP) -- The Sacramento Kings have exercised the rookie contract options on guard Tyreke Evans, forward Omri Casspi and center DeMarcus Cousins for the 2012-13 season.<img src="http://feeds.feedburner.com/~r/rss/si_nba/~4/nEN29dG8WNI" height="1" width="1"/>
