Warren Spahn

Louis M. Sleater, Orioles pitcher

Louis M. Sleater, Orioles pitcher

Louis Mortimer Sleater, a standout high school athlete who ended his seven-year major league pitching career with the Baltimore Orioles and was later a steel salesman, died of lung disease Monday at his Timonium home. He was 86.

A left-handed knuckleballer, he played for the St. Louis Browns, Washington Senators, Kansas City Athletics, Milwaukee Braves and Detroit Tigers before joining the Orioles in 1958.

"He was the epitome of the journeyman left-hand pitcher in the 1950s," said Phil Wood, an MASN broadcaster who lives in Glyndon. "He was with different teams every year and they were usually bad teams, like the Senators and the Browns and the...