​It’s the mystery of the week – who (or what) is fouling up the putting greens in Ann Arbor?On the morning of Thursday, July 16, the University of Michigan Golf Course (UMGC) sent an email to the public about an “unexpected issue” with grass discoloration on its course. And though the email doesn’t detail the extent of the problem, it takes a dark turn before asking for help.AdvertisementAdvertisementAdvertisement”Over the last few days, we have experienced an unforeseen and highly unusual decline in the coloring of our putting surfaces,” the email says. “Our grounds team is actively monitoring the situation and developing an action plan for moving forward.The Free Press in 2022 ranked U-M the No. 1 public course in metro Detroit golf, bringing some of The Masters to Michigan with the original design by famed English architect Alister MacKenzie.[ 5 golf courses in Michigan I can’t wait to play for first time in 2026 ]”At this time, we suspect that foul play may be involved, and we are working closely with our partners at the Department of Public Safety to complete a full investigation.”AdvertisementAdvertisementAdvertisementUMGC asked its community to share information on the situation if they have any – though if U-M needs some help with its putting greens, maybe it should ask the experts at Michigan State for help, specifically MSU’s “Sultan of Sod” who is the World Cup turfgrass whisperer.Anyone with information related to the incident should call the Department of Public Safety at 734-763-1131.Need to catch up on the news during your lunch break? Sign up for our Sports Briefing newsletter to get daily summaries of Detroit sports! You can reach Christian at cromo@freepress.com.This article originally appeared on Detroit Free Press: University of Michigan Golf Course suspects ‘foul play’ on putting greens