GULLANE, Scotland — Hideki Matsuyama became the second player this year to get a one-shot penalty for the slow play in a major.
It nearly cost Guan Tianlang a weekend at the Masters. It was far more costly to Matsuyama Saturday in the British Open, where he was only three shots out of the lead when he was assessed the penalty on the 17th hole at Muirfield.
His par turned into a bogey, and the 21-year-old Japanese star made a bogey on the 18th for a 1-over 72. Matsuyama was at 3-over 216, six shots behind going into the final round.
The Royal & Ancient said Matsuyama and Johnson Wagnerwere 15 minutes behind schedule and out of position on the course. Full story for BostonGlobe.com subscribers.