The Pirelli World Challenge series opens its 2016 campaign this weekend at Circuit of The Americas with some key changes from an operational standpoint and a variety of big changes to the field itself.

If 2015 was the chance for World Challenge to build off an attention-grabbing 2014, which was the 25th anniversary season, it didn’t maximize its opportunity. But it gets something of a do-over in 2016 with the fresh pieces in place.

Here’s what to look for heading into the season itself…


Read the rest of the Tony Dizino/NBC Sports Motorsports Talk article here: