MLB: Diamondbacks Promote Santana, Braves DFA Young, Athletics Claim Rock in Latest Transactions

The Arizona Diamondbacks have promoted pitcher Dennis Santana from Triple-A, while the Atlanta Braves designated Danny Young for assignment. The Oakland Athletics claimed pitcher Joe Rock off waivers from the Chicago White Sox. Other notable transactions include the Detroit Tigers calling up Brett Callahan, Ray Kerr joining the Braves, and several recalls and options across various teams.