MARANA, Ariz. -- For the third time in the last five years of the World Golf Championships-Accenture Match Play Championship, the four No. 1 seeds failed to advance past the second round.
On Friday, Luke Donald and Louis Oosthuizen lost their second-round matches. In Thursday's first round, top overall seed Rory McIlroy and Tiger Woods were ousted.
In 2009, No. 1 seeds Woods, Vijay Singh, Sergio Garcia and Padraig Harrington failed to reach the third round.
In 2010, No. 1 seeds Steve Stricker, Martin Kaymer, Lee Westwood and Jim Furyk were done by the second round.
Of the 16 players left this week, there are as many No. 15 and 16 seeds (two) as there are No. 2 and 3 seeds.
Here's a look at the remaining seeds (overall seed in parentheses):
No. 2 seed -- Bubba Watson (8)
No. 3 seed - Ian Poulter (11)
No. 4 seeds - Steve Stricker (14), Webb Simpson (15)
No. 5 seed - Graeme McDowell (17)
No. 6 seed -- Matt Kuchar (21), Hunter Mahan (23)
No. 7 seed - Martin Kaymer (26)
No. 8 seed -- Gonzalo Fernandez-Castano (31)
No. 9 seeds - Scott Piercy (35), Robert Garrigus (36)
No. 10 seed - Nicolas Colsaerts (37)
No. 11 seed - Jason Day (41)
No. 12 seed - Fredrik Jacobson (45)
No. 15 seed - Tim Clark (59)
No. 16 seed - Shane Lowry (64)