The Seattle Seahawks endured a ‘heartbreaking’ week that culminated with both Bud Clark and Mason Richman suffering serious injuries against the Tennessee Titans on Sunday night.With less than three weeks to go until the start of the NFL season, Mike Macdonald’s team have now lost three important players in a matter of days.Earlier this week, the Super Bowl champions saw wide receiver Jake Bobo suffer a season-ending knee injury during a joint practice against the Titans.On Sunday night, disaster struck twice more when the two teams met in a preseason game at Nissan Stadium.On Seattle’s first defensive play, rookie safety Bud Clark suffered a broken ankle that Macdonald said will sideline him for ‘multiple months.’Trainers put his leg in an air cast, while players from both teams came up to the rookie before he was carted off the field. Clark was Seattle’s second-round pick and 64th overall out of Texas Christian. Bud Clark suffered a broken ankle that will sideline the rookie safety for ‘multiple months’ Players from both teams came up to the rookie before he was carted off the field on Sunday Offensive lineman Mason Richman is also facing a long spell on the sidelines with injury ‘We had three heartbreakers this week, which is tough,’ Seahawks coach Mike Macdonald saidOffensive lineman Richman is also facing a prolonged spell on the sidelines, with Macdonald believing he suffered a serious injury against the Titans.’We had three heartbreakers this week, which is tough,’ the head coach said, per ESPN.Specific details on Richman’s injury remain unclear but Macdonald said it is a ‘long-term’ problem. Richman was expected to serve as a backup to Grey Zabel.The Seahawks will kick off the defense of their Super Bowl crown against the New England Patriots on September 9. On Sunday night in Nashville, D’Ernest Johnson had a two-yard touchdown run with 5:45 left to help the Titans overcome a 13-point deficit and beat the Seahawks 19-16.