Complex sentence: Wynn was the last active major leaguer who played in the 1930s, becoming one of only 29 players in baseball history, to-date, to have appeared in major league games in four decades.
Split into simpler sentences: Wynn was the last active major leaguer who played in the 1930s. He became one of only 29 players in baseball history to date to have appeared in major league games in four decades.