St. Louis Rams
The St. Louis Cardinal's.
Stan Musial wore #6 until he retired after the 1963 season. The #6 was retired with him and no Cardinal has worn it since.
Undoubtly Albert Pujols, who may be the best player in the league.
None The last pitcher to wear #25 for the Cardinals was Morrie Martin in 1958.
Early team uniforms were red, as are male cardinal birds.
The letters are STL.