Baseball Party Punch
["2 (6 oz.) cans frozen orange juice", "1 (6 oz.) can frozen lemonade", "1 large can sweetened pineapple juice (if unsweetened, add 1 c. sugar)", "8 (16 oz.) bottles 7-Up"]
["Add 7-Up until bowl is filled, may take only 6 to 7 bottles."]
["orange juice", "frozen lemonade", "pineapple"]