Seattle Mariners preliminary prospect list

I am now working on the Seattle Mariners Top 20 prospects for 2018 list. Here are 52 names I’m looking at. The vast majority of these guys are Grade Cs or organization players.

The general consensus is that the Mariners system is very thin. In this case, the general consensus is correct.

Johnny Adams, 3B
Greifer Andrade, OF
Nathan Bannister, RHP
Braden Bishop, OF
Bryson Brigman, INF
Sam Carlson, RHP
Ryan Costello, 3B
Jordan Cowan, 3B
Joey Curletta, 1B
Joe DeCarlo, C
Chase De Jong, RHP
Seth Elledge, RHP
Matthew Festa, RHP
Eric Filia, OF
Mike Ford, 1B
David Freitas, C
Darin Gillies, RHP
Eugene Helder, INF
Spencer Herrmann, LHP
Cesar Izturis Jr, INF
Oliver Jaskie, LHP
Anthony Jimenez, OF
Kyle Lewis, OF
Luis Liberato, OF
Mike Marjama, C
Reggie McClain, RHP
Ian Miller, OF
Wyatt Mills, RHP
Sam Moll, LHP
Gareth Morgan, OF
Ljay Newsome, RHP
Joe Odom, C
Cameron Perkins, OF
Max Povse, RHP
Juan Querecuto, SS
Joe Rizzo, 3B
Max Roberts, LHP
Julio Rodriguez, OF
Tommy Romero, RHP
Joseph Rosa, 2B
Ronald Rosario, OF
Nick Rumbelow, RHP
Chuck Taylor, OF
Andres Torres, RHP
Zach Vincej, INF
Dan Vogelbach, 1B
Jamal Wade, RHP
Donnie Walton, 2B
Art Warren, RHP
Nick Wells, LHP
Rob Whalen, RHP
Evan White, RHP