What is the name for a pitch that is thrown with little spin and moves unpredictably?

What does "can of corn" mean in baseball slang? What is a "golden sombrero" in baseball slang? What is a "southpaw"? What is the area where relief pitchers warm up called? Which award is given to the best pitcher in each league every season? Which award is given for excellence in fielding at each position? Which award is given to the best offensive player at each position? MLB's Rookie of the Year award is officially named after which player?