Complex sentence: In 1965, he began his sportscasting career at local radio and television stations in Philadelphia; he became sports director at KDKA-TV in Pittsburgh in 1967, and moved to WBZ-TV and WBZ radio in Boston in 1971.
Split into simpler sentences: In 1965, he began his sportscasting career at local radio and television stations in Philadelphia. He became sports director at KDKA-TV in Pittsburgh in 1967, and moved to WBZ-TV and WBZ radio in Boston in 1971.