Cowboy Diamond is a baseball venue in Lake Charles, Louisiana, USA. It is home to the McNeese State Cowboys baseball team of the NCAA Division I Southland Conference. Opened in 1965, the venue has a capacity of 2,000 spectators. Its record attendance came one May 2, 2000, when 2,191 spectators saw McNeese State defeat LSU 9-8 in 11 innings. The facility was renovated in 2005, 2007, and 2008.