| Year | Record | Finish, Division | RS | RA | Age (1=oldest) | High OPS | Low RA | Attendance | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year 65 | 14-36 (.280) | 6th (16 GB), West | 218 (12/18) | 308 (18/18) | 22.2 (T17/18) | Statistics | Results | A 2S Jackson | (0.856) | Dennis | (6.42) | 540,313 (16/18) |
| Year 66 | 16-34 (.320) | 6th (15 GB), West | 167 (18/18) | 243 (14/18) | 23.2 (16/18) | Statistics | Results | A 2S Jackson | (0.803) | Dennis | (6.04) | 566,464 (16/18) |
| Year 67 | 18-32 (.360) | 4th (16 GB), West | 220 (9/18) | 262 (17/18) | 24.4 (10/18) | Statistics | Results | Di Piranha | (0.878) | A Lindbergh | (5.92) | 549,620 (16/18) |
| Year 68 | 21-29 (.420) | 4th (13 GB), West | 193 (13/18) | 241 (14/18) | 23.8 (15/18) | Statistics | Results | A Wilson I | (0.874) | Herbert | (6.08) | 535,094 (17/18) |
| Year 69 | 24-26 (.480) | 4th (6 GB), West | 196 (14/18) | 233 (12/18) | 24.0 (T14/18) | Statistics | Results | C Fang | (1.016) | Herbert | (4.33) | 699,653 (11/18) |
| Year 70 | 28-22 (.560) | 2nd (1 GB), West | 269 (4/18) | 214 (8/18) | 26.1 (T5/18) | Statistics | Results | Foxes | (1.144) | Herbert | (3.41) | 937,813 (4/18) |
| Year 71 | 32-18 (.640) | 3rd (6 GB), West | 238 (6/18) | 177 (4/18) | 26.4 (5/18) | Statistics | Results | Foxes | (1.062) | Judith | (3.52) | 986,666 (5/18) |
| Year 72 | 29-21 (.580) | 2nd (4 GB), West | 259 (T1/18) | 172 (2/18) | 26.3 (6/18) | Statistics | Results | Foxes | (1.157) | Herbert | (2.87) | 1,061,443 (4/18) |
| Year 73 | 28-22 (.560) | 2nd (2 GB), Eurasian | 259 (4/18) | 232 (11/18) | 27.7 (2/18) | Statistics | Results | Foxes | (1.153) | Judith | (2.92) | 1,283,389 (1/18) |
| Year 74 | 31-19 (.620) | 1st, Eurasian | 298 (1/18) | 190 (5/18) | 27.5 (T2/18) | Statistics | Results | Biggie | (1.083) | Herbert | (3.75) | 1,223,668 (1/18) |
| Year 75 | 32-18 (.640) | 1st, Eurasian | 243 (T3/18) | 163 (1/18) | 26.9 (3/18) | Statistics | Results | Bárbara | (1.006) | Herbert | (1.74) | 1,199,081 (2/18) |
| Year 76 | 32-18 (.640) | 1st, Eurasian | 246 (4/18) | 177 (2/18) | 27.4 (3/18) | Statistics | Results | Bárbara | (1.075) | Judith | (4.06) | 1,218,534 (1/18) |
| Year 77 | 31-19 (.620) | 2nd (5 GB), Eurasian | 217 (11/18) | 170 (3/18) | 27.4 (3/18) | Statistics | Results | Bárbara | (0.878) | Herbert | (2.20) | 963,611 (5/18) |
| Year 78 | 28-22 (.560) | T1st, Eurasian | 246 (7/18) | 215 (T9/18) | 27.3 (3/18) | Statistics | Results | Bárbara | (1.008) | Reg | (3.04) | 927,276 (4/18) |
| Year 79 | 30-20 (.600) | 2nd (2 GB), Eurasian | 234 (6/18) | 171 (2/18) | 27.6 (2/18) | Statistics | Results | S Parrot | (0.945) | Judith | (2.53) | 932,340 (5/18) |
| Year 80 | 25-25 (.500) | T3rd (10 GB), Eurasian | 208 (12/18) | 197 (T7/18) | 27.1 (2/18) | Statistics | Results | G Brook-Hampster | (0.978) | Reg | (2.20) | 882,818 (7/18) |
| Year 81 | 29-21 (.580) | 3rd (4 GB), Eurasian | 252 (2/18) | 226 (13/18) | 27.5 (2/18) | Statistics | Results | G Brook-Hampster | (1.017) | Reg | (4.45) | 983,621 (4/18) |
| Year 82 | 27-24 (.529) | 3rd (4.5 GB), Eurasian | 213 (T7/18) | 196 (6/18) | 27.3 (2/18) | Statistics | Results | L Sivvi | (0.947) | Reg | (3.40) | 934,448 (5/18) |
| Year 83 | 20-30 (.400) | 6th (21 GB), Eurasian | 222 (8/18) | 245 (15/18) | 26.7 (3/18) | Statistics | Results | L Sivvi | (0.930) | David | (4.61) | 818,761 (8/18) |
| Year 84 | 20-30 (.400) | 5th (18 GB), Eurasian | 173 (15/18) | 215 (11/18) | 25.6 (6/18) | Statistics | Results | Halibut | (0.978) | Reg | (4.74) | 602,799 (13/18) |
| Year 85 | 18-32 (.360) | 6th (15 GB), European | 154 (18/18) | 245 (14/18) | 24.0 (15/18) | Statistics | Results | Half-a-Bee | (0.779) | Creosote | (3.73) | 478,826 (17/18) |
| Year 86 | 20-30 (.400) | 6th (18 GB), European | 187 (14/18) | 272 (17/18) | 23.0 (14/18) | Statistics | Results | Halibut | (0.928) | M Pizzarelli | (4.62) | 504,530 (17/18) |
| Year 87 | 27-23 (.540) | 3rd (8 GB), European | 193 (16/18) | 264 (T14/18) | 23.1 (T15/18) | Statistics | Results | Halibut | (0.919) | S Mikita | (4.02) | 636,960 (12/18) |
| Year 88 | 26-24 (.520) | T3rd (5 GB), European | 219 (7/18) | 197 (6/18) | 23.5 (T15/18) | Statistics | Results | Halibut | (0.852) | S Mikita | (2.97) | 686,620 (12/18) |
| Year 89 | 35-15 (.700) | 1st, European | 256 (2/18) | 172 (5/18) | 24.2 (11/18) | Statistics | Results | Bomber | (1.056) | St T Aquinas | (3.13) | 867,430 (7/18) |
| Year 90 | 36-14 (.720) | 1st, European | 275 (3/18) | 183 (6/18) | 24.8 (11/18) | Statistics | Results | Flying Fox of the Yard | (1.021) | St T Aquinas | (2.32) | 1,072,969 (3/18) |
| Year 91 | 32-18 (.640) | 2nd (4 GB), European | 270 (2/18) | 185 (5/18) | 25.8 (6/18) | Statistics | Results | J Rule | (1.131) | D Winston | (3.09) | 1,190,530 (2/18) |
| Year 92 | 39-11 (.780) | 1st, European | 241 (T5/18) | 156 (3/18) | 27.2 (3/18) | Statistics | Results | Flying Fox of the Yard | (0.932) | St T Aquinas | (2.30) | 1,302,983 (1/18) |
| Year 93 | 32-18 (.640) | T1st, European | 226 (4/18) | 169 (2/18) | 27.8 (T1/18) | Statistics | Results | Flying Fox of the Yard | (1.034) | F Pilkington-Miksa | (2.78) | 1,175,240 (2/18) |
Playoff history:
| Year 71 | Circus defeated Los Angeles, 2-0; Milan defeated Circus, 3-2 |
| Year 72 | Circus defeated Tel Aviv, 2-1; Circus defeated Paddington, 3-1; Circus defeated Los Angeles, 4-1 |
| Year 74 | Stratford defeated Circus, 2-1 |
| Year 75 | Sao Paulo defeated Circus, 3-1 |
| Year 76 | Circus defeated Sao Paulo, 3-0; Seattle defeated Circus, 4-1 |
| Year 77 | San Jose defeated Circus, 2-1 |
| Year 78 | Kratovo defeated Circus, 2-1 |
| Year 79 | Circus defeated San Jose, 2-0; Kratovo defeated Circus, 3-1 |
| Year 81 | Circus defeated Kratovo, 2-0; Baltimore defeated Circus, 3-1 |
| Year 89 | Los Angeles defeated Circus, 3-1 |
| Year 90 | Circus defeated Los Angeles, 2-1; Seattle defeated Circus, 3-0 |
| Year 91 | Circus defeated Stratford, 2-0; Circus defeated Los Angeles, 3-2; Circus defeated Multiverse, 4-3 |
| Year 92 | Circus defeated Gallifrey, 3-0; Circus defeated Multiverse, 4-2 |
| Year 93 | San Jose vs Circus |
| Franchise single-season records: | Franchise leaders, hitting (min. 300 PA): | Franchise leaders, pitching (min. 150 IP): |
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Players who have played for Circus (Statistics, Drafted players):