The Chicago Blackhawks have traded two-time Norris Trophy winner Duncan Keith to the Edmonton Oilers for young defenseman Caleb Jones and a third-round draft pick.

(AP Photo/John Locher)The NHL is temporarily ditching microchipped pucks six days into the season after concerns were raised about their performance. The first 44 games this season were played with the “tracking” pucks that players and coaches could tell were a little off. The NHL expects new tracking pucks to be available soon and put back into play after undergoing testing. It's unclear exactly when puck tracking will return or when stats like players' skating speed will be available to the public. But sitting here right now, I couldn’t I couldn’t give you exact timelines.”___Follow AP Hockey Writer Stephen Whyno on Twitter at https://twitter.com/SWhyno___More AP NHL: https://apnews.com/hub/NHL and https://twitter.com/AP_Sports