AL West needs to catch up with A’s in Hot Stove season

The A’s have been the biggest movers and shakers in the American League West thus far, making the largest free-agent signing of the winter in the division and trading away arguably their best player. Meanwhile, the Rangers and Angels have been mentioned in a number of rumors, while the Astros will look to build on their 19-win improvement of a season ago and the Mariners hope to end their 14-year postseason drought.