Lowry lights up Toronto but short putts still slowing him down

SHORT GAME FAILINGS: Shane Lowry of Ireland. Pic: Vaughn Ridley/Getty Images

Shane Lowry surged into contention on the second day of the RBC Canadian Open in Toronto yet walked away from his three-under 69 with some all-too familiar regrets.

The Offaly native was out early on a damp and dreary Friday morning at Oakdale Golf and Country Club and looked primed to take advantage of the soft conditions.