PGA.com, the official site of the PGA of America, is providing extensive on-site coverage of the 134th Open Championship at the Old Course in St. Andrews, Scotland. On the Thursday and Friday, PGA.com will feature a live chat with Keith Mackie, noted longtime St. Andrews resident and golf historian.

Mackie, who was born and raised in St. Andrews and writes extensively on the Old Course for the R&A of St. Andrews, will offer his insights into the history of St. Andrews and the course, from 12 p.m.-12:30 p.m. ET.

Log on to PGA.com for live scoring, complete tournament news, a course tour featuring Mackie's audio description of each hole and more.