American League

HOUSTON ASTROS — Agreed to terms with C Dustin Garneau on a one-year contract.

SEATTLE MARINERS — Agreed to terms with RHP Kendall Graveman on a one-year contract.

National League

ARIZONA DIAMONDBACKS — Promoted Mike Fitzgerald to vice president, research & development; Cesar Geronimo to vice president, latin american scouting and player development; Peter Wardell to director, international scouting; Kristyn Pierce to assistant director, scouting and baseball administration; Ian Rebhan assistant director, amateur scouting; Max Phillips to coordinator, baseball operations; Ronald Rivas to coordinator, Dominican Republic; Gabriel Hernandez to professional scout; Andrew Allen, Pedro Hernandez and Mike Meyers to area scouts; Alex Lorenzo to assistant, international scouting; Mark Reed to minor league catching coordinator and coach for Hillsboro (NWL); and Ross Seaton to assistant pitching coordinator/pitching analyst. Named Carl Gonzalez diversity pipeline fellow; Gary Hughes professional scout; Jon Lukens and Hector Otero international crosscheckers; Michelle Riccardi team performance dietitian; Matt Roffe analyst, player personnel; Ronald Salazar scout, Venezuela; Luis Silverio coach for Diamondbacks (DSL) and Eduardo Villacis pitching coach for Diamondbacks (DSL). Reassigned Diego Bordas to professional scout, Dominican Republic; Jack Goin to major league scout; Rick Matsko crosschecker, North Carolina & South Carolina while also serving as area scout; Aaron Thorn to developmental professional scout.

National Hockey LeagueNHL — Suspended Tampa Bay Lightning D Erik Cernak for two games, without pay, for elbowing Buffalo Sabres D Rasmus Dahlin during game on Monday.