Lookout Linkage, 3/31/15

Good morning everyone! Here's the latest from around the league:

• Grantland provides a preview of the AL West, projecting the Mariners as the top team in the division.
• The Mariners have made another round of Spring Training cuts.
• The M's have parted ways with pitcher Kevin Correia.
• Jason Churchill at Prospect Insider unveils his M's prospects ranked 6-10 with scouting reports.
• Kiley McDaniel at Fangraphs provides his in-depth analysis on the M's farm system as well.
• Rob Manfred has decided he will not ban defensive shifts in baseball.
• The Red Sox have acquired catcher Sandy Leon from the Nationals.
• The Mets have traded for reliever Jerry Blevins, also from the Nationals.
• The Cubs have demoted a few of their prospects in order to manipulate service time.
• Nathaniel Grow at Fangraphs takes a look at the situation involving the MLBPA and Kris Bryant.
• The Reds have added a nursing center for moms to their stadium.
• Benches cleared in a spring training game between the Pirates and Phillies.