DUBLIN, Ohio (AP) -- PGA Tour rookie Matt Bettencourt and Mark Wilson have survived a roller-coaster afternoon at the Memorial to share the 54-hole lead, with Tiger Woods and a pack of major champions behind them.Bettencourt made eight birdies to offset his mistakes in a round of 4-under 68. Wilson bogeyed his first three holes, but recovered for a 69 to join the rookie at 9-under 207.
