| Boys Baseball Class A Bracket | 1997-98 |
| Rock Falls Sectional | ||||||
| Regionals | Sectionals | State Qualifier | ||||
| (1) Milledgeville | (1) Milledgeville 9-1 |
(1) Milledgeville 8-1 |
Oregon 10-7 |
Granville (Putnam County) 6-0 |
Granville (Putnam County) 6-2 |
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| (8) Galena | (9) Dakota 6-2 |
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| (9) Dakota | ||||||
| (4) Mt. Carroll (Coop) | (4) Mt. Carroll (Coop) 9-1 |
(5) Lena (L.-Winslow) 4-1 |
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| (13) Lanark (Eastland) | ||||||
| (5) Lena (L.-Winslow) | (5) Lena (L.-Winslow) 5-3 |
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| (12) Thomson (Coop) | ||||||
| (2) East Dubuque | (2) East Dubuque 10-9 (8 inn.) |
(3) Oregon 15-8 |
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| (7) Pearl City | (10) Winnebago 10-0 |
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| (10) Winnebago | ||||||
| (3) Oregon | (3) Oregon 10-0 (6 inn.) |
(3) Oregon 7-4 |
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| (14) Durand (Coop) | ||||||
| (6) Elizabeth (River Ridge) (Coop) | (6) Elizabeth (River Ridge) (Coop) 13-0 (5 inn.) |
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| (11) Warren (Coop) | ||||||
| (1) Mendota | (1) Mendota 6-5 |
(4) Seneca 12-7 |
Granville (Putnam County) 7-1 |
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| (8) Sterling (Newman Central Catholic) | (9) Serena 14-1 |
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| (9) Serena | ||||||
| (4) Seneca | (4) Seneca 16-3 (5 inn.) |
(4) Seneca 2-1 |
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| (13) LaMoille (Coop) | ||||||
| (5) Morrison | (5) Morrison 7-0 |
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| (12) Earlville (Coop) | ||||||
| (2) Ottawa (Marquette) | (7) Rock Falls 4-3 (9 Inn.) |
(3) Granville (Putnam County) 2-1 |
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| (7) Rock Falls | (7) Rock Falls 4-2 |
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| (10) Spring Valley (Hall) | ||||||
| (3) Granville (Putnam County) | (3) Granville (Putnam County) 12-0 (5 inn.) |
(3) Granville (Putnam County) 6-5 |
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| (14) Paw Paw | ||||||
| (6) Peru (St. Bede) | (6) Peru (St. Bede) 11-1 |
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| (11) Ashton (Coop) | ||||||
| (1) Rock Island (Alleman) | (1) Rock Island (Alleman) 15-1 |
(1) Rock Island (Alleman) 12-2 (5 inn.) |
Rock Island (Alleman) 3-1 |
Rock Island (Alleman) 13-4 |
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| (8) Biggsville (Union) | (9) Aledo 4-1 |
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| (9) Aledo | ||||||
| (4) Taylor Ridge (Rockridge) | (4) Taylor Ridge (Rockridge) 8-0 |
(4) Taylor Ridge (Rockridge) 8-7 |
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| (13) Williamsfield | ||||||
| (5) Monmouth (H.S.) | (5) Monmouth (H.S.) 19-7 (5 inn.) |
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| (12) Joy (Westmer) | ||||||
| (2) Sherrard | (2) Sherrard 7-6 |
(3) Knoxville 6-5 |
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| (7) Orion | (10) Oneida (ROWVA) 11-7 |
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| (10) Oneida (ROWVA) | ||||||
| (3) Knoxville | (3) Knoxville 11-2 |
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| (6) Port Byron (Riverdale) | (11) Woodhull (AlWood) 3-0 |
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| (11) Woodhull (AlWood) | ||||||
| (1) Dunlap | (1) Dunlap 5-1 |
(4) Eureka 3-1 |
Chillicothe (Illinois Valley Central) 3-2 |
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| (8) Peoria Heights | (9) Buda (Bureau Valley) 7-4 |
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| (9) Buda (Bureau Valley) | ||||||
| (4) Eureka | (4) Eureka 4-1 |
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| (5) Princeville | (5) Princeville 8-0 (6 inn.) |
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| (12) Varna (Midland) | ||||||
| (2) Chillicothe (Illinois Valley Central) | (2) Chillicothe (Illinois Valley Central) 26-0 (5 inn) |
(2) Chillicothe (Illinois Valley Central) 7-0 |
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| (7) Roanoke (R.-Benson) (Coop) | (10) Toulon (Stark County) 8-7 |
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| (10) Toulon (Stark County) | ||||||
| (3) Kewanee (Wethersfield) | (6) Henry (H.-Senachwine) (Coop) NA-NA |
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| (6) Henry (H.-Senachwine) (Coop) | (6) Henry (H.-Senachwine) (Coop) 5-1 (5 inn.) |
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| (11) Kewanee (H.S.) (Coop) | ||||||