Molina joins pitcher Miles Mikolas in representing the Cardinals in the All-Star Game.
Machado has a .313/.382/.560 slash line and 21 home runs so far this season.
David Price insisted he was yet to think about opting out of his Boston Red Sox contract.
Price can opt out of the seven-year, $217 million contract he signed with Boston in December 2015 at the end of this season.
Ramos played seven seasons in Washington before leaving for the Rays as a free agent for the 2017 season.
A deal featuring both Machado and Britton would bring the Orioles a better package of prospects.
Osuna is serving a 75-game suspension after he was arrested in connection with an alleged domestic violence incident.
Kaito Yuki, a 6-2, 170-pound RHP referred to as "Darvish II" because of comparisons to the Cubs' Yu Darvish, recently finished junior high.
Los Angeles Angels star Shohei Ohtani was the hero as his team beat the Dodgers in MLB.
Ohtani is back hitting and he led the Angels to a late win over the Dodgers.