ARLINGTON, Tex. – Jerry Dipoto was up to his old tricks again on Monday.



It wasn’t just that the Mariners general manager made a deal, because that’s simply not news anymore, not with the number of trades Dipoto has made.



This one, a swap of relievers that sent Anthony Swarzak to the Braves for Jesse Biddle and Arodys Vizcaíno, was notable because of Biddle’s pedigree. Biddle is a former first-round draft pick, and Dipoto might love adding former first rounders more than just about anything. He’s had plenty of practice since becoming GM of the Mariners in September 2015.



There are now seven former first-round draft picks on Seattle’s 25-man roster: Pitchers Marco Gonzales (2013, No. 13 overall, by the Cardinals), Mike Leake (2009, No. 8, Reds) and Biddle (2010, No. 27, Phillies); infielders J.P. Crawford (2013, No. 16, Phillies) and Tim Beckham (2008, No. 1, Rays); and outfielders Jay Bruce (2005, No. 12, Reds) and...