Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) He launched a worldwide restaurant empire whose "Pizza, pizza" catchphrase became ubiquitous. Mike Ilitch, Little Caesars founder and owner of the Detroit Tigers and Detroit Red Wings, died Friday at a hospital in the Motor City. He was 87. "My father was a once-in-a-generation entrepreneur, visionary and leader, setting the tone for our organization and our family. He made such a positive impact in the world of sports, in business and in the community," said Ilitch's son Christopher, who is president and CEO of Ilitch Holdings, the umbrella company for Ilitch's business empire. Ilitch's cause of death has not been released.The business mogul also owned the Detroit Tigers and Detroit Red WingsHis son says Ilitch will be remembered for his "passion for Detroit" 
 Question:Ilitch had deep roots in _, and his son said his "passion" for the city will loom large in his legacy.

Detroit Tigers