Lookout Linkage, 11/20/14

Happy Thursday! Here's your dose of links for the day:

• The Mariners have hired a new manager for the Triple-A Tacoma Rainiers.
• Fish Stripes argues that the Stanton extension puts pressure on the Marlins to win soon.
• Believe it or not, Stanton's extension actually gives the Marlins more flexibility.
• Grant Brisbee wonders if the Russell Martin move makes sense for the Blue Jays.
• Bluebird Banter looks at the pros and cons of the Martin deal.
• Viva El Birdos takes an in-depth look at the Jason Heyward trade and what it means for the Cardinals.
• Drew Fairservice of Fangraphs wonders what Heyward would look like as a center fielder for the Cardinals.
• The Tigers appear to be open to dealing starter David Price.
• Bless You Boys wonders how much the Tigers could get back in a Price trade.
• The White Sox have signed middle reliever Zach Duke to a three-year deal.
• The A's have signed designated hitter Billy Butler to a three-year deal.
• Two Fangraphs' writers take opposing stances on the Butler deal, as Eno Sarris says the deal might not be so crazy while Dave Cameron thinks the deal is actually pretty crazy.
• You'll never believe who broke the story of the Butler signing.
• The Red Sox have extended contract offers to Jon Lester and Pablo Sandoval.
• The Marlins have made an offer to first baseman Adam Laroche.