 On July 18, 2007, Griffey hit his 2,500th hit, a first-inning single off Atlanta Braves starting pitcher John Smoltz.On September 19, 2007, in a game against the Chicago Cubs, Griffey fielded a Derrek Lee single in right field, then suddenly went down in pain.The injury, first thought to be a lower abdominal strain, was later revealed to be a season-ending groin strain.