Spieth, Garcia open with 63s at Colonial; Mickelson 10 backJordan Spieth and Sergio Garcia shared the first-round lead at Colonial after both former champions shot 7-under-par 63.
Mickelson tries to focus at Colonial after historic PGA winPhil Mickelson never considered skipping the trip to Colonial.
Slippery start at PGA: 'Sit! Sit, sit, sit ... PLEASE!'Good shots were rewarded, bad ones punished and the Ocean Course finished Round 1 of the PGA Championship looking like anything but a pushover.
