Why was christy mathewson called the big six?

Christy Mathewson was nicknamed "The Big Six" due to his dominant performance as a pitcher in Major League Baseball during the early 20th century and his impressive physical stature, standing at 6 feet 1 inch tall. The nickname also reflects his status as one of the six dominant pitchers of his era, alongside legends like Walter Johnson and Cy Young. Mathewson's exceptional skills, including a remarkable ability to throw strikes and his signature pitch, the fadeaway, contributed to his legendary status in Baseball history.