US duo Kenny Perry and Chad Campbell are the joint leaders of the Masters on nine under par after two rounds at Augusta.
Perry shot a bogey-free five-under-par 67 to join Campbell, who hit a 70 on Friday, at the top of the leaderboard. Angel Cabrera carded a 68 to sit third on eight under.
Online betting favourite Tiger Woods hit a level-par 72 and is seven off the lead while Northern Ireland teenager Rory McIlroy dropped five shots in the last three holes but avoided disqualification for kicking sand in a bunker on the 18th.
In tennis, Lleyton Hewitt beat Guillermo Garcia-Lopez 6-3 6-4 in the quarter-finals of the US Men's Clay Court Championships at River Oaks Country Club in Houston.
Hewitt now has a semi-final against Russia's Evgeny Korolev to look forward to. Korolev hit back from a set down to beat Argentina's Guillermo Canas 2-6 6-3 6-4.
The all-German affair between Bjorn Phau and Tommy Haas was won by the former 6-3 3-6 6-3, while Wayne Odesnik saw off John Isner 7-5 3-6 7-6.
On the women's tour, top seed Nadia Petrova reached the semi-finals of the MPS Group Championship by beating Alona Bondarenko of Ukraine 4-6 6-3 7-6.
Petrova now faces fifth seed Aleksandra Wozniak in the last four after the Canadian beat Tamira Paszek of Austria 6-3 3-6 7-6.
Second seed Caroline Wozniacki easily saw off Daniela Hantuchova 6-2 6-2 and the Danish teenager now plays Elena Vesnina in the last four after the Russian stunned third seed Dominika Cibulkova 7-5 6-7 6-3.
In rugby league, Bradford Bulls eased the pressure on their coach Steve McNamara as they held on to win the local derby against Leeds Rhinos 10-6.
Wakefield Trinity Wildcats secured a surprisingly easy 35-6 win over Castleford Tigers at The Jungle while the Humberside derby went Hull KR's way as they beat Hull 18-14 at the KC Stadium.
Salford recorded their second win since of the campaign with a hard-fought 18-16 win over struggling Warrington Wolves, while Celtic Crusaders remain at the foot of the table after crashing to a 30-10 defeat against Huddersfield Giants.
Finally in football, Wolves took a step closer to the Premier League by beating relegation-threatened Southampton 3-0 at Molineux.
Wales international Sam Vokes opened the scoring after just 39 seconds before skipper Jody Craddock doubled Wolves' advantage with his first goal of the season in the sixth minute, before a David Jones penalty ended all hopes of a Saints comeback.
Sheffield United moved into second place in the Championship with a 1-0 win against a Reading side that has suffered a major loss of form.
The winner came from Brian Howard in the 59th minute after Matthew Kilgallon's header had rebounded back off the Royals crossbar.