Brad Paisley and Tim McGraw will headline the Rogers Bayfest in Sarnia, Ontario, Canada, in 2009. McGraw will perform on July 17 with opening act Jason Blaine. Paisley will appear on July 18 with opening acts Doc Walker and Deric Ruttan. Tickets go on sale Saturday (Dec. 13). Sarnia, Ontario, is 65 miles northeast of Detroit. The festival will also host a rock weekend on July 9-11.