MIAMI – Miami Marlins executive Michael Hill's 19-season tenure with the franchise has ended.Hill was president of baseball operations for the past six years and provided continuity after a 2017 change in ownership, but his contract expired and he will not be back next season, CEO Derek Jeter said Sunday.“I had to approach this as a new negotiation,” Jeter said. “We had conversations over the last week or so, and I just felt it would be best for the organization at this particular time to move on without Mike.”Candidates to replace Hill could include Marlins vice president Gary Denbo. “We have a lot of smart baseball minds in our organization, and there are smart baseball minds around the game,” Jeter said. “We’re going to sit down and see.