After 27 years in baseball, Junior Betances finally got the call to join Cleveland's major league coaching staff.

Jose Ramirez belted his 19th home run of the season, but the Guardians offense again fell silent outside of that one swing in a loss to the A's.

Explore trade deadline rumors as the Athletics shop pitchers Jeffrey Springs, JP Sears, and Luis Severino to pitching-hungry contenders.

The Cleveland Guardians opened the second half of season with a win. "This is a period of high significance and importance," GM Mike Chernoff said.

The Guardians hope to take the series against the Athletics with Steven Kwan still sidelined. Follow along here for updates.

BOTTOM LINE: The Cleveland Guardians take a 1-0 advantage into the next game of the series against the Oakland Athletics. Cleveland has gone 4-3 in home games and 14-6 overall.

Get Athletics vs Guardians baseball betting preview, spread and over/under insights for their matchup on July 20.

BOTTOM LINE: The Cleveland Guardians host the Athletics looking to stop their seven-game home skid. Cleveland is 20-23 at home and 46-49 overall. The Guardians are 30-9 in games when they have more hits than their opponents.