MLB Transactions from August 15, 2016

St. Louis Cardinals sent RHP Lance Lynn on a rehab assignment to Palm Beach Cardinals.
Los Angeles Dodgers released LF Zach Walters.
Colorado Rockies sent Gonzalez Germen outright to Albuquerque Isotopes.
Atlanta Braves sent RHP Roberto Hernandez outright to Gwinnett Braves.
Detroit Tigers released RHP Jeff Ferrell.
Cleveland Indians optioned RHP Joseph Colon to Columbus Clippers.
Cleveland Indians activated RHP Joseph Colon from the 15-day disabled list.
Arizona Diamondbacks optioned C Oscar Hernandez to Mobile BayBears.
Arizona Diamondbacks recalled Edwin Escobar from Reno Aces.
Arizona Diamondbacks activated C Welington Castillo.
Arizona Diamondbacks designated LHP Adam Loewen for assignment.
New York Mets sent RF Justin Ruggiano on a rehab assignment to Las Vegas 51s.
Baltimore Orioles sent LHP T.J. McFarland on a rehab assignment to Frederick Keys.
Seattle Mariners sent Daniel Robertson outright to Tacoma Rainiers.
Atlanta Braves traded C Michael McKenry to Milwaukee Brewers.
New York Mets sent OF Yoenis Cespedes on a rehab assignment to St. Lucie Mets.
Washington Nationals sent C Jose Lobaton on a rehab assignment to Syracuse Chiefs.
Washington Nationals sent 1B Ryan Zimmerman on a rehab assignment to Syracuse Chiefs.
Tampa Bay Rays optioned Dylan Floro to Durham Bulls.
Tampa Bay Rays activated 1B Logan Morrison from the 15-day disabled list.
Arizona Diamondbacks sent C Chris Herrmann on a rehab assignment to AZL D-backs.
Los Angeles Dodgers activated RHP Casey Fien from the 15-day disabled list.
Seattle Mariners sent RHP Tony Zych on a rehab assignment to Jackson Generals.
Seattle Mariners sent RHP Evan Scribner on a rehab assignment to Jackson Generals.
Houston Astros optioned RHP Jandel Gustave to Fresno Grizzlies.
Houston Astros activated RHP Ken Giles from the paternity list.
Cincinnati Reds optioned Cody Reed to Louisville Bats.
Cincinnati Reds recalled Kyle Waldrop from Louisville Bats.
Oakland Athletics sent LHP Sean Doolittle on a rehab assignment to Nashville Sounds.
San Diego Padres transferred RHP Erik Johnson from the 15-day disabled list to the 60-day disabled list. Right elbow sprain.
San Diego Padres optioned Luis Sardinas to El Paso Chihuahuas.
Seattle Mariners traded 2B Luis Sardinas to San Diego Padres for Player To Be Named Later.
Atlanta Braves sent RHP Arodys Vizcaino on a rehab assignment to Rome Braves.
Atlanta Braves sent C Tyler Flowers on a rehab assignment to Rome Braves.
Boston Red Sox recalled SS Deven Marrero from Pawtucket Red Sox.
Boston Red Sox recalled Marco Hernandez from Pawtucket Red Sox.
Boston Red Sox recalled Heath Hembree from Pawtucket Red Sox.
New York Yankees recalled RHP Chad Green from Scranton/Wilkes-Barre RailRiders.
Boston Red Sox optioned LHP Roenis Elias to Pawtucket Red Sox.
Boston Red Sox placed 1B Hanley Ramirez on the bereavement list.
New York Yankees optioned Luis Severino to Scranton/Wilkes-Barre RailRiders.
Seattle Mariners sent RHP Steve Cishek on a rehab assignment to Everett AquaSox.
Los Angeles Dodgers optioned RHP Brock Stewart to Oklahoma City Dodgers.