Longtime MSGNetworks host John Giannone (jaygeemsg) announced on X that he underwent surgery with the hope of destroying cancerous lesions in his prostate. Giannone, who has been with MSG since 2002, announced in January 2025 that he was diagnosed with prostate cancer. Rangerstown is thinking of you, John! ❤️🤍💙 #NYR #NewYorkRangers