Jon Heyman has a piece on the Rangers' struggles, that focuses on Tom Hicks' unhappiness with his team:
In baseball circles there are already rumblings that first-year manager Ron Washington, who had an early run-in with star first baseman Mark Teixeira, doesn't have the job security he had at the start of his managerial career -- which happened to be only 64 games ago. There are also rumblings that their smart young general manager, Jon Daniels, who's had three notable trades work against him, has something to prove to Hicks, maybe even by the end of the year.
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Daniels is extremely bright and as hard-working as they come, and I believe he will someday be an excellent general manager. How soon that will be is what Hicks will have to judge.
At this point, I think it is 50/50 whether or not Daniels is back after this season, and I think if Daniels is gone, Washington is also gone.