Source: Aaron Gleeman, Hardball Talk 
Bill Ladson of MLB.com reported yesterday that Matt Williams was the front-runner to replace Davey Johnson as Nationals manager and now Ken Rosenthal of FOXSports.com reports that Washington plans to hire the Diamondbacks third base coach.
Sources: #Nationals  plan to hire Matt Williams as manager with goal of keeping Randy Knorr as bench coach. Timing of announcement not known.
— Ken Rosenthal (@Ken_Rosenthal) October 25, 2013