6- men share the lead after 18 holes - Ross Fisher, Phil Mickelson, Ryan Moore, Jon Rahm, Jimmy Walker and Lee Westwood.
67- was the leading score at Club de Golf Chapultepec.
15- Westwood's score of 67 is his lowest 18-hole total in 15 attempts in this tournament.
56 - The Englishman is making his 56th World Golf Championships appearance.
1- This is the first time a WGC stroke play event has been hosted in Mexico.
68 - for Rory McIlroy on his return from a rib injury.
The blind approach. 💯
— The European Tour (@EuropeanTour) March 2, 2017
The eagle putt. 💯
Genius from @McIlroyRory pic.twitter.com/hslKXpA5DO
3 - The Northern Irishman had the longest drive on three of the holes - the 6th (368 yards), 14th (353 yards) and 18th (350 yards).
49 - of the world's top 50 players are in action this week. Only Jason Day, ranked Number Two, is missing.
5- eagles during the first round - McIlroy on the par five sixth, Brandon Stone on the par four first, Byeong Hun An on the par five 11th, and Kevin Chappell and Matt Fitzpatrick on the par five 15th.
7000 - This week's event is being played at over 7000ft above sea level.
