The St. Louis Cardinals released right-handed pitchers Houston Summers and Mark Diapoules from the Minor League camp on Saturday morning, Derrick Goold of the St. Louis Post-Dispatch reports.

Summers was signed by the Cardinals a year ago and was 2-1 with a 4.96 ERA in 18 relief appearances for short-season Batavia in 2010.  He has a lifetime 11-11 record with a 6.01 ERA in 63 appearances (17 starts).

Diapoules was 21st-round-pick and spent 2010 as a reliever with High-A Palm Beach and Springfield.    In his four-year professional career, he is 17-12 with a 4.22 ERA in 75 appearances (45 starts).