The possibility of a Big Four showdown remained in play as three members of the hyped quartet kept themselves in contention after completing the suspended second round Saturday.

But Tiger Woods, Vijay Singh and Phil Mickelson were all looking up at Chris DiMarco, who continues to show that the Augusta National Golf Club layout suits his game. DiMarco shot his second straight 5- under-par 67 to give him a four-shot lead over Thomas Bjorn.