Today, in Baseball America's latest round of minor league transactions, a number of notable names were optioned to the Eastern League. And although the assignments aren't final, they allow an approximate glimpse at some of the prospects that the Thunder should face this season.

Here's what BA reported this afternoon:

Baltimore Orioles
Optioned to Triple-A: RHP Brandon Erbe, RHP Chorye Spoone, LHP Troy Patton, LHP Pedro Viola, 1B Joe Mahoney

Optioned to Double-A: RHP Luis Lebron, SS Pedro Florimon

Boston Red Sox
Signed: C Matt Spring
Released: RHP Doug Wogee
Optioned to Double-A: RHP Stolmy Pimentel, 2B Oscar Tejeda

Cleveland Indians
Signed: 1B Nick Johnson
Released: 1B Chris Kersten
Voluntarily retired: 1B Andrew Kinney
Optioned to Triple-A: RHP Corey Kluber, RHP Zach McAllister, RHP Hector Rondon, 3B Jared Goedert, OF Nick Weglarz
Optioned to Double-A: LHP Kelvin de la Cruz, LHP Nick Hagadone

Detroit Tigers
Optioned to Triple-A: RHP Lester Oliveros, RHP Jose Ortega, LHP Duane Below, LHP Andy Oliver, 3B Audy Ciriaco, SS Cale Iorg, OF Ryan Strieby
Optioned to Double-A: RHP Jacob Turner

Minnesota Twins
Signed: RHP Gerardo Ramirez, RHP Gonzalo Sanudo, LHP Andrew Albers (Quebec (Can-Am))
Optioned to Triple-A: RHP David Bromberg, RHP Eric Hacker, RHP Anthony Swarzak, OF Rene Tosoni
Optioned to Double-A: RHP Deolis Guerra, 1B Chris Parmelee, OF Joe Benson

New York Mets
Signed: RHP Manny Alvarez*
Optioned to Triple-A: RHP Manny Alvarez, RHP Josh Stinson, 3B Zach Lutz, SS Ruben Tejada, OF Fernando Martinez
Optioned to Double-A: 2B Jordany Valdespin
Optioned to high Class A: RHP Armando Rodriguez

Philadelphia Phillies
Released: C Ryan Gugel, 1B Robb Quinlan
Optioned to Triple-A: RHP Drew Naylor
Optioned to Double-A: RHP Justin De Fratus, RHP J.C. Ramirez, 1B Matt Rizzotti, 2B Harold Garcia, SS Carlos Rivero
Optioned to high Class A: 2B Cesar Hernandez

Pittsburgh Pirates
Optioned to Triple-A: RHP Bryan Morris, LHP Daniel Moskos, LHP Tony Watson, OF Gorkys Hernandez, OF Alex Presley
Optioned to Double-A: RHP Ramon Aguero, LHP Jeff Locke, LHP Aaron Thompson
Optioned to high Class A: RHP Kyle McPherson

San Francisco Giants
Optioned to Triple-A: RHP Henry Sosa, LHP Alex Hinshaw, LHP Clayton Tanner, 3B Conor Gillaspie, OF Thomas Neal
Optioned to Double-A: SS Ehire Adrianza, OF Francisco Peguero
Optioned to high Class A: RHP Jose Casilla

Washington Nationals
Signed: RHP Garrett Mock*, LHP Atahualpa Severino*, C Lou Santangelo
Released: RHP Cla Meredith
Optioned to Triple-A: RHP Adam Carr, RHP Garrett Mock, LHP Atahualpa Severino
Optioned to low Class A: OF Bryce Harper