Three are tied for lead in Mass.
NORTON, Mass. - Masters champion Charl Schwartzel has been around the TPC Boston long enough this week to know that a fairway metal is the best option off the tee on the 356-yard first hole.

NORTON, Mass. - Masters champion Charl Schwartzel has been around the TPC Boston long enough this week to know that a fairway metal is the best option off the tee on the 356-yard first hole.
Saturday was the first time he played the hole while furious - he had just made a sloppy bogey on the par-5 18th and was losing ground in the Deutsche Bank Championship.
"I was, to say the least, fairly upset," Schwartzel said. "It's sometimes very crucial to come back straightaway, otherwise your round can get away from you. The birdie on the first just got me going in the right mind-set again."
He turned that into a string of birdies - five in a six-hole stretch on the front nine - that carried the South African to another 5-under 66 and a share of the lead with Adam Scott and Bubba Watson after two rounds.
Watson, who finally put some attention back on his golf, played in the morning and produced what he called a "boring" round of 64 that included an eagle on the seventh hole for the second straight day.
European Masters
CRANS-SUR-SIERRE, Switzerland - Jamie Donaldson shot a 6-under 65 to pull ahead of Lee Westwood and Rory McIlroy and lead the European Masters after three rounds.
Donaldson is at 14 under and seeking his first career victory.