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Most Likely to be Moved: Oliver Perez ($1.5 million in 2013, free agent in 2014)
Provided he's made available, Perez would be the most coveted left-hander in the American League.
A rough stretch of games since mid-July has caused his ERA to balloon to above 3.00, but his price tag and strikeout ability make him one of the most valuable bullpen commodities.
Considering Rich Hill's ERA is among the worst in baseball and Marc Rzepczynski's is even worse in a smaller sample size, if Perez happens to last all the way to Cleveland on the waiver wire, they'll probably do whatever it takes to get him.
Other Possibilities: Raul Ibanez ($2.75 million in 2013, free agent in 2014)
There isn't much of a precedent for 40-year-old power hitters, but the evidence that does exist isn't promising.
Darrell Evans hit 34 home runs and batted .257 in the season that he turned 40. Though he played another two seasons, he combined to hit just 33 home runs over those 251 games while batting .208.
Dave Winfield belted 26 home runs in 1992 before turning 41, registering a 3.8 WAR that season. Over the next three years, he had a combined WAR of -0.9 and his batting average plummeted in each successive season.
Edgar Martinez hit 24 home runs in 2003 at the age of 40. In 91 percent as many plate appearances the following season, he hit 50 percent as many home runs and batted below .277 in more than 200 plate appearances for the only time in his career.
Despite Ibanez's ridiculous training regimen (an article by Ken Rosenthal from his Bleacher Report days), bodies eventually break down.
It would arguably be foolish to re-commit to Ibanez this offseason, and Seattle played its way out of playoff hopes by losing six of seven as July bled into August.
I wouldn't recommend simply giving Ibanez away, but if they can get something younger in return, there's no reason not to let him chase 35 home runs for a contender.
Contract They're Praying Someone Claims: Aaron Harang ($7 million in 2013, $8 million mutual option in 2014)
Unless they're planning on unnecessarily keeping Taijuan Walker, Danny Hultzen and James Paxton in Triple-A for another season, Harang has absolutely no part in Seattle's future.
Factoring in Felix Hernandez, Hisashi Iwakuma and Brandon Maurer, he's no better than the seventh-best starting pitcher in the organization.
There's no way they'll exercise that $8 million option next season, but it's still going to cost $2 million to buy him out if he's still on the roster at the end of the year. Unfortunately, his near-worst-in-the-majors ERA is going to be tough to convince another team to accept.