Complex sentence: The Leafs would hire former Chicago Black Hawks head coach Dick Irvin, and the move would pay off immediately, as the Leafs would get hot and have a 9--3--2 record in his first 14 games behind the bench.
Split into simpler sentences: The Leafs would hire former Chicago Black Hawks head coach Dick Irvin. The hiring of Irvin would pay off immediately, as the Leafs would get hot and have a 8--3--2 record in his first month behind the bench.