The Call-Up: Erik Swanson Nick Schaefer and Jarrett Seidler April 12, 2019 Share: > Image credit: USA Today Sports Subscribe to Baseball ProspectusThe Mariners are off to a surprising start and they're bringing up some reinforcements from the farm. Full access to this article is for Premium Baseball Prospectus subscribers. Sign up today to get access to insightful analysis for the discerning baseball fan. Super-Premium - $66.99 / yearPremium - $45.95 / yearPremium Monthly - $6.99 / month Subscribe to Baseball Prospectus In This Article 0 Erik Swanson Related Articles 2019 Prospects: Seattle Mariners Top 10 Prospects $ by Jeffrey Paternostro, Wilson Karaman, and BP Prospect Staff 1/09 1 Monday Morning Ten Pack: The May Promotions $ by BP Prospect Staff 6/04 0 Latest Articles Fantasy Shortstops to Avoid in 2025 $ by Mike Gianella, Timothy Jackson, and Carlos Marcano 2/14 1 Early ADP Analysis ’25: Shortstop $ by Mike Gianella 2/14 0 What They’re Saying: Angels in the Infield Edition $ by Howard Megdal 2/14 0 The 10/90 Scale ’25: Anthony Volpe $ by Bryan Grosnick 2/14 0 The BP Dynasty 101 for 2025 $ by Jesse Roche and Bret Sayre 2/14 9 more chevron_rightchevron_right Jarrett Seidler Nick Schaefer More about: Erik Swanson Latest Articles Fantasy Shortstops to Avoid in 2025 $ by Mike Gianella, Timothy Jackson, and Carlos Marcano 2/14 1 Early ADP Analysis ’25: Shortstop $ by Mike Gianella 2/14 0 What They’re Saying: Angels in the Infield Edition $ by Howard Megdal 2/14 0 Related Articles 2019 Prospects: Seattle Mariners Top 10 Prospects $ by Jeffrey Paternostro, Wilson Karaman, and BP Prospect Staff 1/09 1 Monday Morning Ten Pack: The May Promotions $ by BP Prospect Staff 6/04 0 You need to be logged in to comment. Login or Subscribe