Another day is in the books at the WGC-Accenture, as three American players, two top seeds, and couple under-the-radar names advanced to Saturday’s quarterfinals. Here’s a rundown of five key matches from Marana, Ariz. No. 4 Matt Kuchar def. No. 1 Martin Kaymer (4 and 3) — Aside from Hunter Mahan (we’ll get to him […]