The baseball roster is to help keep the team organized. The B stands for the word bat and helps to keep track if the player bats from the right or the left side. The letter T stand for throws and whether they throw left handed or right handed. There is also the letter S, which stands for Switch Hitter.
Yes, it is rare for a left-handed catcher to play in professional baseball due to the unique challenges they face in the position.
In baseball, a left-handed batter typically has the advantage when facing a right-handed pitcher on the mound.
Not sure that this is true, it may just seem that way because there are more right handed pitchers than lefties. There has surely been a lot of hard throwing lefthanders; Herb Score, Sandy Koufax and Steve Carlton are three oldtimers than come quickly to mind. There is also an old baseball adage that a lefthander cannot throw a straight ball, but I don't think there is any physical evidence to prove that. There is no physiological basis to the statement that right handers throw harder than left handers.
because the want to have an advantage
The baseball season typically starts in March or April.
Gives players an unfair size advantage
the typically food eaten on baseball games is hot dogs
Left-handed pitchers can have an advantage in baseball because they are less common and can create different angles and movements that right-handed batters may find challenging to hit.
Research suggests that left-handed baseball players may have an advantage when it comes to pitching due to their unique throwing angle, while right-handed players may have an advantage in hitting due to the prevalence of right-handed pitchers.
You can steal bases in baseball, but typically not first base.
Yes, a left-handed batter may have an advantage when facing a right-handed pitcher in baseball due to the angle of the pitch and the positioning of the batter in the batter's box.