PGA Championship: Matt Wallace takes first-day lead as Rory McIlroy struggles

• Englishman's 65 is one ahead of Henrik Stenson• Rory McIlroy in danger of missing cut after late errors The BMW PGA Championship has been good to English golfers since the arrival of the current sponsors in 2005. David Howell, Paul Casey, Simon Khan, Luke Donald - twice - and Chris Wood have all prevailed at Wentworth. Matt Wallace's 65 to open this staging of the European Tour's flagship event demonstrated a willingness to keep a red and white flag at the leaderboard's summit. Recent hist...