Complex sentence: Mike played four seasons in the MLB, with the New York Yankees in 1940 and 1942, also in 1942 he played for the Washington Senators and St.Louis Browns in 1942, and continued with the Browns in 1943 and 1944.
Split into simpler sentences: Mike played four seasons in Major League Baseball, with the New York Yankees in 1940 and 1942. Also in 1942 he played for the Washington Senators and St. Louis Browns, and continued with the Browns in 1943 and 1944.