<human>:  Who was the Pirates’ starting pitcher in the 1903 Pittsburgh Pirates season?
<bot>: The Pirates’ starting pitcher was a young man named Grover Cleveland Alexander. He was only 20 years old at the time and he pitched in 18 games, starting 16 of them. He went 9-2 with a 2.63 ERA, striking out 90 batters and walking only 24.