article_snippet: Graeme McDowell has been forced to withdraw from the Valero Texas Open in San Antonio with an ankle injury.
article_snippet: Graeme McDowell withdrew after Graeme McDowell opening nine holes of the Valero Texas Open in San Antonio due to an ankle injury .
article_snippet: Graeme McDowell, tweeted: 'Apologies to everyone at @valerotxopen for my withdrawal.
article_snippet: McDowell, who won the US Open in 2010, was five over at the Valero Texas Open when The Northern Irishman withdrew, having started on the back nine.
highlights_snippet: Graeme McDowell pulled out of the Valero Texas Open after nine holes .
  
highlights_snippet: Graeme McDowell was five over par when Graeme McDowell withdrew in San Antonio on Thursday .