To Lloyd McClendon, the Mariners’ seventh manager since 2005:
Welcome back to the managerial fraternity. But excuse the cynics for already grieving over your job security.
The Mariners don’t just devour managers. They swallow them whole. Counting interim skippers, McClendon becomes the Mariners’ 19th manager since their 1977 inception. Lou Piniella remains the only one to last more than four years. Since Piniella left 11 years ago, the franchise has experienced especially disturbing transience; McClendon is skipper…