You Oughta Know: How big is one stroke?

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AUGUSTA, Ga. – Jordan Spieth leads the Masters at 16 under par, four shots ahead of Justin Rose. Here are some things You Oughta Know as we head into the final round here at Augusta National:

• How important was Spieth's 18th-hole up-and-down to save par and preserve his four-shot lead? Over the last two seasons on the PGA Tour players with a lead of four shots or higher entering the final round have won seven of nine tournaments.  Leading by three shots has produced a 3-for-8 record, by four shots is 3 for 4 and by five shots is 4 for 5.

• Spieth set the 54-hole Masters scoring record at 16-under-par 200. Tiger Woods (1997) and Raymond Floyd (1976) had the previous record of 201 and both won their respective tournaments.

• Spieth’s double bogey on the 17th hole cost him a chance at holding the all-time major championship scoring record through 54 holes. Nick Faldo was 17 under par after three rounds of the 1990 British Open. Spieth joined Rory McIlroy (2014 British), Woods (2000 British) and Ernie Els (1995 PGA) at 16 under par.

• Spieth is looking to win his first green jacket in wire-to-wire fashion, which would allow him to join Craig Wood (1941), Arnold Palmer (1960), Jack Nicklaus (1972) and Floyd (1976) as wire-to-wire winners.

• The Masters champion has come out of the final pairing in 20 of the last 24 years. Zach Johnson (2007), Charl Schwartzel (2011), Bubba Watson (2012) and Adam Scott (2013) are the exceptions.

• The only Masters champion not inside the top 10 after three rounds was Art Wall Jr. in 1959. He was tied for 13th place.

• The third-round leader or co-leader has gone on to win the Masters 42 out of 78 times. Bubba Watson did so last year.

• This will mark the 11th time – and fourth time in a major – that McIlroy and Woods have been paired together.

• Woods (73-69-68) is tied for fifth place at 6 under par. This is the first time he has shot consecutive rounds in the 60s at the Masters since 2005.

• The last time Woods finished inside the top 10 in an official PGA Tour event was 595 days ago, at The Barclays in 2013.

• Rose, from England, is looking to become the 16th player to win the Masters and the U.S. Open. Faldo is the only player from England to win the Masters (1989, 1990, 1996).

• If Phil Mickelson, 44, wins his fourth green jacket he would be the second-oldest winner of the Masters behind Jack Nicklaus, who was 46 in 1986.

• Mickelson has only one top-10 finish in his last 31 starts on the PGA Tour.

• With a win Mickelson would join Lee Trevino and Faldo as players with six major championship victories.

Note: Information from Golf Channel’s editorial research unit was used in this report.