What is a "southpaw"?

What is it called when the fielding team records three outs on a single play? What is a "Texas Leaguer"? What does "can of corn" mean in baseball slang? What is a "golden sombrero" in baseball slang? What is the area where relief pitchers warm up called? What is the name for a pitch that is thrown with little spin and moves unpredictably? Which award is given to the best pitcher in each league every season? Which award is given for excellence in fielding at each position?