The provided text appears to be a press release announcing the appointment of a new coach, incorporating elements typical of human-generated news articles, such as a structured format, quotes, and personal insights. The use of specific details about the new coach's history and the acknowledgment of the outgoing coach suggests a level of emotional intelligence and context understanding that is generally characteristic of human writing. However, AI can also generate similar content that mimics human vernacular and structure.
Given the structured nature, emotional appeal, and specificity of the text, it is more probable that this content was generated by a human rather than AI. While AI can produce coherent and somewhat personalized text, the depth of connection and contextual appreciation exhibited in this announcement leans towards human authorship. Nonetheless, without further markers or data, it's challenging to assert with certainty that it wasn’t generated by an AI trained on a similar dataset.