Three Korean players will be in the field in the opening leg of the annual PGA Tour playoffs this week, with two of them in good position to advance to the next round and the one remaining player looking to join them. Kim Si-woo, Tom Kim and Im Sung-jae have all qualified for the FedEx St. Jude Championship, which starts Thursday at TPC Southwind in Memphis, Tennessee. This is the first of three FedEx Cup playoff tournaments, with the top 70 players from the FedEx Cup standings eligible. The top 50 after this week's event will qualify for the next playoff stop, the BMW Championship at Bellerive Country Club in St. Louis. Then the top 30 after the second tournament will advance to the finale, the Tour Championship at East Lake Golf Club in Atlanta. Kim Si-woo, at No. 7, and Tom Kim, at No. 26, are safely inside the top 50 and should survive the first cut. Im, ranked 53rd, will need a strong week to crack the top 50 and keep alive his streak of playing at seven consecutive Tour Championships. Kim Si-woo has been one of the tour's most consistent players this season. He is the highest-ranked