| | | | | | | | | | ATL | BAL | BOS | CAL | CHA | CHN | CIN | CLE | DET | HOU | KCR | LAN | | ML1 | MIN | MON | NYA | NYN | OAK | PHI | PIT | SFN | SEA | SLN | WS2 | | Team Index | Draft History | Starters: Positional - Pitchers | Registers: Batters - Pitchers | Leaders: Batters - Pitchers |  | Washington Senators Pitching Staff Chart |
| | Year | Starting Pitchers | Closer | Bullpen | | 1961 61-100 | McClain 8-18, 3.86 | Daniels 12-11, 3.44 | Donovan 10-10, 2.40 | Hobaugh 7-9, 4.42 | Burnside 4-9, 4.53 | Sisler 11 SV, 4.18 | Kutyna 50 G, 3.97 | Sisler 45 G, 4.18 | Klippstein 42 G, 6.78 | | 1962 68-94 | Stenhouse 14-16, 3.52 | Cheney 12-13, 3.99 | Jenkins 4-14, 5.14 | Osteen 10-9, 2.78 | Baird 4-9, 4.82 | Hamilton 11 SV, 2.44 | Hobaugh 60 G, 5.26 | Burnside 54 G, 4.91 | Hannan 46 G, 4.32 | | 1963 79-83 | Osteen 15-14, 2.75 | Stenhouse 10-10, 3.25 | Baird 13-12, 2.56 | Jenkins 7-16, 5.27 | Cheney 9-9, 3.81 | Hamilton 15 SV, 3.00 | Dillon 56 G, 2.64 | Hobaugh 54 G, 2.31 | Haddix 48 G, 2.66 | | 1964 77-85 | Osteen 11-14, 3.46 | Baird 8-10, 3.50 | Stenhouse 7-16, 4.25 | Talbot 12-15, 4.48 | Roberts 6-4, 3.12 | Hamilton 12 SV, 3.99 | Hannan 62 G, 3.80 | Miller 62 G, 3.43 | Hamilton 45 G, 3.99 | | 1965 76-86 | Baird 15-10, 4.11 | Osteen 16-12, 3.01 | Stenhouse 12-9, 4.73 | Mossi 7-12, 4.65 | Bunning 8-10, 4.65 | Hamilton 13 SV, 3.46 | Hannan 67 G, 2.10 | Hamilton 48 G, 3.46 | Hobaugh 47 G, 2.68 | | 1966 79-83 | Bunning 11-14, 4.26 | Stenhouse 10-8, 4.53 | Baird 8-11, 3.75 | Hiller 8-10, 4.58 | Tsitouris 6-12, 4.83 | Hannan 16 SV, 1.86 | Aust 58 G, 3.16 | Coombs 49 G, 5.75 | Hamilton 47 G, 3.03 | | 1967 78-84 | Hiller 13-10, 4.01 | Nolan 11-13, 3.93 | Baird 9-11, 3.15 | Bunning 10-10, 4.75 | Stenhouse 11-9, 4.24 | Hannan 22 SV, 4.87 | Aust 68 G, 4.09 | Hobaugh 51 G, 3.69 | Dillon 47 G, 5.90 | | 1968 74-88 | Hiller 7-11, 3.80 | Nolan 17-13, 3.47 | Stenhouse 9-17, 4.28 | Perry 11-13, 4.71 | Baird 6-9, 4.88 | Raymond 21 SV, 3.32 | Raymond 63 G, 3.32 | Hannan 62 G, 4.82 | Coombs 44 G, 2.83 | | 1969 0-0 | | | | | | | | | | | | Top 5 pitchers in Games Started, Top pitcher in Saves and Top 3 pitchers in Games | |