COMMISSIONER’S OFFICE — Suspended Houston manager A.J. Hinch and general manager Jeff Luhnow through the 2020 World Series, fined the Astros $5 million and forfeited the Astros’ next two first- and second-round draft picks for sign stealing. Suspended former Houston assistant general manager Brandon Taubman through the 2020 World Series for inappropriate conduct in the clubhouse.

DETROIT TIGERS — Agreed to terms with RHP Iván Nova on a one-year contract.

HOUSTON ASTROS — Fired manager A.J. Hinch and general manager Jeff Luhnow.

OAKLAND ATHLETICS — Traded INF Alfonso Rivas to the Chicago Cubs for INF/OF Tony Kemp.

SEATTLE MARINERS — Named Jeff Mathers assistant High Performance coordinator/performance specialist; Kyle Torgerson trainer; Aric Quinney trainer and James Buckley performance specialist of Modesto (Cal); Dan LaBerry trainer and Joe Murray performance specialist of West Virginia (SAL); Brennan Mickelson performance specialist of Everett (NWL); and Ryan Mullins performance specialist of the AZL Mariners.

TAMPA BAY RAYS — Agreed to terms with Cs Chris Herrmann and Kevan Smith, OF Ryan LaMarre, RHPs Aaron Slegers and Angel German, INF Conrad Gregor and LHP D.J. Snelten on minor league contracts.

National League

ARIZONA DIAMONDBACKS — Agreed to terms with OF David Peralta on a three-year contract.

SAN FRANCISCO GIANTS — Designated INF Zack Cozart for assignment. Claimed RHP Jake Jewell off waivers from the L.A. Angels.