Early in 2003 , Clemens announced his retirement, effective at the end of that season. On June 13, 2003, pitching against the St. Louis Cardinals in Yankee Stadium , Clemens recorded his 300th career win and 4,000th career strikeout, the only player in history to record both milestones in the same game. [ citation needed ] The 300th win came on his fourth try; the Yankee bullpen had blown his chance of a win in his previous two attempts. He became the 21st pitcher ever to record 300 wins and the third ever to record 4,000 strikeouts, joining Nolan Ryan (5,714) and Steve Carlton (4,136). Randy Johnson (4,875) has since also joined the 4,000 strikeout club. His career record upon reaching the milestones was 300–155; his record at the end of the season was 310–160 with 4,099 strikeouts. Clemens finished the season with a 17–9 record and a ERA.
The Mitchell Report also stated that interviews were requested of five MLB players who had spoken out publicly on the steroid issue. Of these players, only one, Frank Thomas , was willing to be interviewed. The Mitchell Report stated that there was no evidence that any of these five had used performance-enhancing drugs. Curt Schilling , one of the four players who declined to interview with Mitchell, explained that he denied Mitchell's request because he "would have nothing to offer" Mitchell's investigation "other than personal opinion and hypotheticals."