Mark Alan Buehrle (; born March 23, 1979) is an American professional baseballpitcher who is a free agent. He began his Major League Baseball (MLB) career with the Chicago White Sox and started the opening game every season from 2002 to 2006 and again from 2008 to 2011. He has also pitched for the Miami Marlins and Toronto Blue Jays. Buehrle pitched 200 innings in 14 consecutive seasons (2001–2014), tying Hall-of-Famers Greg Maddux, Phil Niekro, and Christy Mathewson. He has recorded at least 10 wins in 15 straight seasons. Buehrle is the active leader in games started, with 492 as of October 2, 2015.