Factual error: The gas ratio sticker on the car was an A sticker which was only 3 gal. of gas a week. Unlikely they could go from IL to OR on that small amount of fuel.
Factual error: In some scenes during the games, the sun is in the direction of right field shining towards home plate. In professional baseball games, this is never allowed due to the sun being in the batters eyes. Side note: This is why no ballpark in major leagues ever had home plate on the east side of stadiums when they were built.
Answer: An unnamed pitcher. I believe it was the character played by Janet Jones and listed as "Racine Pitcher"
Bishop73