Simplify the following text for a Grade 5 native English-speaking person.
Original: While the Yankees were 15-2 in Series Appearances during that time , they would lose again in 1957 , 1960 , 1963 , and 1964 , for a record of 4-5 in World Series over the next decade .
Simplified: They would lose again in 1957 , 1960 , 1963 , and 1964 . The Yankees would have a record of 4-5 in World Series over the next decade .