Buster Olney calls the Yankees the most desperate team at the MLB trade deadline as they chase a World Series return amid roster gaps.

From the Yankees to the Dodgers, the sport's biggest giants are among the clubs that need to take action ahead of the July 31 deadline.

Now, as the Tigers prepare for their first deadline as buyers in 11 years -- and their first under team president Scott Harris -- the landscape looks dramatically different. The idea of trading an elite prospect for a two-month rental is largely a thing of the past. Teams are more concerned about club control and long-term value.