CINCINNATI -- The Reds will have their top two prospects among the non-roster invitations to big league Spring Training next month.
Infielder/outfielder Nick Senzel and outfielder Taylor Trammell were two of the 18 non-roster invites announced by the club on Wednesday. MLB Pipeline ranks Senzel No. 1 in the organization (No. 6 in baseball) and Trammell No. 2 (No. 17 overall).
Senzel, who will be in big league camp for the second time, will be competing for a spot on the Opening Day roster. There is an opening in center field that he would like to get, but he could also earn a place in a utility role that allows him to still play regularly.
This will be Trammell's first big league camp.

Also invited to camp were right-handers Anthony Bass, Odrisamer Despaigne, Vladimir Gutierrez, Alex Powers and Tony Santillan, catchers Juan Graterol, Chris Okey and Tyler Stephenson, infielders Christian Colon and Alfredo Rodriguez, and outfielders Aristides Aquino, TJ Friedl, Brian O'Grady, Jordan Patterson, Mason Williams and Kyle Wren.
Bass, Despaigne, Graterol and Colon have big league experience with other clubs and signed Minor League contracts that came with camp invites.
Minor League coaching staffs named
The Reds' Minor League affiliates announced their managers and coaching staffs on Wednesday. At Triple-A Louisville, Jody Davis will manage the team for the first time with pitching coach Jeff Fassero, hitting coach Leon Durham and bench coach Dick Schofield. Davis was manager at Double-A Pensacola last season. Schofield, who was the interim manager last season, returns to his previous role.

For Double-A Chattanooga, Pat Kelly will be manager with Danny Darwin at pitching coach, Daryle Ward as hitting coach and Darren Bragg as the bench coach. Last season, Kelly served as the Reds' interim bench coach and Darwin was their pitching coach under interim manager Jim Riggleman. Although most of the big league coaching staff was not retained, both Kelly and Darwin were promised they would have roles back in player development.

Here are the field staffs for the other Reds affiliates:
Class A Advanced Daytona
Manager: Ricky Gutierrez
Pitching coach: Tom Brown
Hitting coach: Alex Pelaez
Bench coach: Lenny Harris

Class A Dayton Dragons
Manager: Luis Bolivar
Pitching coach: Seth Etherton
Hitting coach: Mike Devereaux
Bench coach: Kevin Mahar

Rookie-level Billings
Manager: Ray Martinez
Pitching coach: Chris Booker
Hitting coach: Darryl Brinkley
Bench coach: Bryan LaHair

Rookie-level Greeneville
Manager: Gookie Dawkins
Pitching coach: Derin Ebert
Hitting coach: Luis Terrero
Bench coach: Reggie Williams

Dominican Summer League Reds
Manager: Luis Saturria
Pitching coach: Luis Montano
Pitching coach: Luis Andujar
Coach: Cristobal Rodriguez
Coach: Jose Castro
Coach: Jefry Sierra
Coach: Edward Bens
Arizona League Reds
Manager/extended spring coordinator: Jose Nieves
Pitching coach: Elmer Dessens
Hitting coach: Todd Takayoshi
Bench coach: Donald Lutz