Luke Donald breaks CNN course record . No.1 Francesco Molinari makes return after U.S. Open woes . Spaniard Alejandro Canizares struggles to find his game . Luke Donald leads the chasing pack .
Francesco Molinari breaks Castle Stuart course record . No.1 Luke Donald makes return after U.S. Open woes . Phil Mickelson struggles to find his game . Spaniard Alejandro Canizares leads the chasing pack .