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| | | | | | | | | | ALB | BAL | BOS | BRO | BUF | CHE | CHI | CIN | CLE | DEN | KC | LOU | | NY | OAK | OGD | OMA | PHI | PIT | PRO | SAC | STL | SF | VC | WAS | | Team Index | Draft History | Starters: Positional - Pitchers | Registers: Batters - Pitchers | Leaders: Batters - Pitchers |  | San Francisco Seals Pitching Staff Chart |
| | Year | Starting Pitchers | Closer | Bullpen | | 1870 39-41 | Frankel 9-12, 3.19 | Donaldson 11-16, 3.40 | Paulsen 8-5, 3.14 | Whyte 2-4, 3.54 | Chris 0-0, 0.00 | Keough 3 SV, 2.06 | Frankel 30 G, 3.19 | Romonosky 29 G, 2.67 | Donaldson 28 G, 3.40 | | 1871 74-80 | Frankel 22-15, 3.39 | Paulsen 19-18, 3.15 | Behr 5-12, 4.30 | Keough 8-11, 4.87 | Donaldson 7-11, 2.80 | Donaldson 10 SV, 2.80 | Whyte 102 G, 3.83 | Donaldson 75 G, 2.80 | Frankel 51 G, 3.39 | | 1872 60-94 | Donaldson 14-20, 3.15 | Paulsen 12-29, 3.26 | Erskine 17-23, 2.85 | Frankel 8-12, 3.64 | Whyte 9-10, 3.59 | Whyte 8 SV, 3.59 | Frankel 82 G, 3.64 | Whyte 80 G, 3.59 | Erskine 58 G, 2.85 | | | Top 5 pitchers in Games Started, Top pitcher in Saves and Top 3 pitchers in Games | |
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