Love used a chip-in birdie at the last to match Woody Austin in the lead at 13-under par and force extra holes. On the fourth playoff hole, Love drained a three-foot putt for a birdie and the win.
Tiger Woods stayed firmly atop the rankings. He was followed by Ernie Els, who was in contention late on Sunday at The Heritage but faltered down the stretch. Love came in at No. 3 while Phil Mickelson dropped one spot to No. 4. The rest of the top 20 in the rankings remained virtually the same.
Masters champions Mike Weir was fifth this week. The Canadian was followed by Vijay Singh, David Toms, Retief Goosen, Jim Furyk and Padraig Harrington to round out the top 10.
Sergio Garcia came in at No. 11 while Nick Price and Chris DiMarco followed at 12 and 13, respectively. Justin Leonard stayed put at No. 14 followed by Scott Hoch, Robert Allenby, Rocco Mediate and Charles Howell III.
Colin Montgomerie held on to the 19th ranking while Jerry Kelly rounded out the top 20.
Fredrik Jacobson captured the Algarve Open de Portugal in his return to the European Tour after a layoff due to a wrist injury. The victory was Jacobson's second of the campaign. His first came at the Hong Kong Open, the second event of the 2003 campaign.
With the win, Jacobson vaulted 39 positions to crack the top-100 at No. 72.