Interesting, this is a bit of a surprise to me. Luke Broadhurst is now listed as a summer ball Assistant Coach for Norwich of the Futures League. The Manager of Norwich is Kevin Murphy, who was a teammate of Broadhurst when they were both on the Eastern Connecticut State University baseball team.
I heard that UConn baseball contacted the Norwich Sea Unicorns and asked about Luke Broadhurst becoming one of their Assistant Coaches this summer. Obviously the Sea Unicorns said yes to this request.
Don't know how common it is for players who still have eligibility to play in college ball (such as Broadhurst) becoming coaches for collegiate summer ball teams.