Lookout Linkage, 4/9/15

Hello everyone! Here's the latest from all around baseball:

• Seth Smith has reportedly been dealing with a groin issue the past couple of days.
• The Mariners have announced their minor league rosters for the 2015 season.
• Jay Yencich of U.S.S. Mariner reviews the Clinton LumberKings' opening day roster, then does the same for the Bakersfield Blaze and the Jackson Generals.
• Jeff Sullivan at Fangraphs goes more in-depth on the decline of Jered Weaver.
• Eno Sarris at Fangraphs follows the journey of Sean Doolittle as he attempts to come back from a shoulder injury.
• Torii Hunter could be fined by Major League Baseball after arguing with an umpire about a check swing call.
• Mike Petriello from Fangraphs breaks down what went wrong for Mat Latos in a seven-run first inning for the Marlins' new starter.
• Josh Harrison and the Pittsburgh Pirates have agreed on a four-year contract extension for the third baseman.
• Adrian Gonzalez had a pretty crazy game for the Dodgers last night and now holds a new record.
• The A's have come to an agreement on a contract with outfielder Cody Ross.
• Aaron Crow, a Marlins reliever, will undergo Tommy John Surgery tomorrow.
• Watch Dodgers' pitcher Hyun-Jin Ryu rap in a commercial in Korea.