The Battle of the Border is the name of the athletics rivalry between the Cardinals and Lady Cardinals of Lamar University and Cowboys and Cowgirls of McNeese State University (athletically branded as "McNeese" since the 2015–16 school year).

In 2009, the rivalry was expanded to include "...head-to-head and SLC [Southland Conference] Championship competition in 14 different sports...".

As of the end of the 2022–23 season, Lamar has a 62–52[5] lead in men's basketball games against McNeese.

[6][7][8][9] As of the end of the 2022–23 season, Lamar has a 52–48 series lead in women's basketball over McNeese.

[21][22] As of the end of the 2023 season, McNeese has a 37–7 lead over Lamar[23] Note: Years with no program.