With 18 holes still to play at Congressional Country Club, the identity of a champion is still very much up for grabs as a crowded leaderboard shows 10 players within three shots of the 54-hole lead. Here's what You Oughta Know heading into the final round of the AT&T National, where four players share co-leader honors overnight:
• Despite making a triple bogey during the third round, Bill Haas heads into Sunday with a share of the 54-hole lead. The former FedEx Cup champ has yet to win this season, but is nevertheless in the midst of a solid 2013 campaign. His results this year include a tie for third at Riviera and a tie for fourth at the Memorial, and his six top-10 finishes are tied for the second-most on Tour this season. Should he remain inside the top 10 Sunday, he’ll tie Billy Horschel for the most top 10s thus far in 2013.
• With just one round to go, it appears the AT&T National could see a player record his maiden PGA Tour victory for the first time in the event’s seven-year history. Of the top 10 players on the leaderboard after 54 holes, seven have yet to win on Tour, including James Driscoll and Roberto Castro, who both hold a share of the lead. Entering this year, the AT&T champion with the least experience in the winner’s circle was Anthony Kim, who notched his second career PGA Tour win at Congressional in 2008.
• No stranger to hot starts, Castro will look to finish the job Sunday to help atone for a pair of notable weekend fades this season. The former Georgia Tech standout grabbed headlines when he tied the course record at TPC Sawgrass last month, firing a 9-under 63 in the opening round, and also held the 36-hole lead in January at the Humana Challenge after rounds of 63 and 67. Castro, though, slipped to a tie for 19th at the Players and a tie for 37th at PGA West, and as a result despite a penchant for low scores he is still in search of his first top-10 finish this year.
• In any discussion of best players yet to record a PGA Tour win, Charlie Wi’s name will often float to the top. The former Cal Golden Bear has accrued more than $9 million in career earnings, making the cut in 136 of 200 career starts, but has yet to hoist a trophy on the PGA Tour. That all could change Sunday, as Wi played his way firmly into contention with a 6-under 65 during the third round.
• Though 54-hole co-leader Andres Romero has won before on the PGA Tour, it's been awhile since the Argentine last contended on Sunday. Now five years removed from his lone career victory at the 2008 Zurich Classic of New Orleans, Romero has missed nine cuts in 14 starts this year, with a lone top-10 finish coming when he tied for sixth at the Puerto Rico Open. He sits outside the top 150 on Tour in both 2013 earnings (155th) and FedEx Cup points (160th), but did notch just his second top-25 finish of the year last week at TPC River Highlands, a tie for 24th.