The PGA Tour schedule could be impacted after employees at the Detroit Golf Club threatened to go on strike before the Rocket Mortgage Classic.Club workers want to bring an end to ongoing negotiations and have a new contract by the start of play Thursday. If it does not happen by then, the union said it is prepared to strike. Travelers Championship: Chez Reavie ends 11-year winless drought “Come (Thursday) when this tournament starts,” said Kevin Moore, president of the local union (via USA Today), “we’re going to do what we have to do. Demonstrations, strikes, whatever is at our disposal.” Employees have been asking for a contract that includes a “3% pay raise, health care relief and job security language,” according to a news release Monday. Related News Stephen Curry unveils new golf collection, set to launch this fall Phil Mickelson’s realization: ‘Probably … not going to win the U.S. Open’ Detroit Golf Club president Andrew Glassberg said in a statement the club has offered a contract with benefits and salaries 4% higher per year than the current contract.”We believe our offer is more than fair,” Glassberg said Monday. “We are ready to reach a resolution with the union, as we have since the contract expired roughly one year ago. Unfortunately, the union canceled bargaining sessions, delayed the negotiating process, and chose this historic event to make its statement.” The Rocket Mortgage Classic is one of just four events on the Tour schedule before the final major, the Open Championship.The field at Detroit features the No. 2 golfer in the world Dustin Johnson; Chez Reavie, who is coming off a victory at the Travelers Championship; and U.S. Open winner Gary Woodland along with fan favorites Rickie Fowler and Bubba Watson.