MLB Transactions from May 8, 2016

Chicago Cubs optioned RHP Spencer Patton to Iowa Cubs.
Detroit Tigers optioned Angel Nesbitt to Toledo Mud Hens.
Tampa Bay Rays designated RHP Jhan Marinez for assignment.
Colorado Rockies sent LHP Tyler Anderson on a rehab assignment to Modesto Nuts.
San Diego Padres recalled Jose Pirela from El Paso Chihuahuas.
San Diego Padres placed 2B Jemile Weeks on the 15-day disabled list. Right hamstring strain
Tampa Bay Rays recalled Matt Andriese from Durham Bulls.
San Francisco Giants sent RHP Vin Mazzaro outright to Sacramento River Cats.
Chicago Cubs activated RHP Neil Ramirez from the bereavement list.Houston Astros optioned C Max Stassi to Fresno Grizzlies.
Texas Rangers recalled Alex Claudio from Round Rock Express.
Texas Rangers placed RHP A.J. Griffin on the 15-day disabled list. Right shoulder stiffness
Oakland Athletics optioned Jesse Hahn to Nashville Sounds.
Oakland Athletics recalled J.B. Wendelken from Nashville Sounds.
Baltimore Orioles optioned T.J. McFarland to Norfolk Tides.
Oakland Athletics optioned Andrew Triggs to Nashville Sounds.
Cincinnati Reds recalled Kyle Waldrop from Louisville Bats.
Cincinnati Reds optioned Scott Schebler to Louisville Bats.
San Francisco Giants sent RHP George Kontos on a rehab assignment to Sacramento River Cats.