Baseball is unusual compared to other sports. To excel in football, it helps to be big, strong, fast, and athletic. In basketball, being tall is a plus. You also need fast twitch muscles, great eye-hand coordination, and extreme athleticism. Tennis? You had best be athletic. Hockey? Those guys are athletic, strong and tough as nails with some endurance added in.
Baseball? Baseball takes players of all shapes and sizes. You have players like Frank Howard, Randy Johnson, or Aaron Judge, who are very tall and strong. You have had players like Freddie Patek and Jose Altuve who are more vertically challenged.