The Hannibal Hoots were a collegiate summer league baseball team in the United States Prospect League. The team played two seasons in the league, but only one of those seasons saw them use Hannibal as its home; flooding along the Mississippi River caused Bear Creek, which flows into the river and runs alongside Clemens Field, to flood the stadium. As a result, the Hoots played their 2019 home schedule in nearby Quincy, Illinois at the home stadium of the Quincy Gems. The Hoots formed in late 2017 and were an expansion franchise for the 2018 season. The Hoots and other collegiate summer leagues and teams exist to give top college players professional-like experience without affecting NCAA eligibility.
Hannibal's previous team in the Prospect League, the Hannibal Cavemen, suspended operations after the 2016 season, leaving the city without a team for the 2017 season. Rick DeStefane, a co-owner of the Cavemen, would become the sole owner of the Hoots. The two franchises are considered by the Prospect League to have been independent of one another.
The Hoots were a member of the West Division of the Prospect League along with the Cape Catfish, DuPage Pistol Shrimp, Normal CornBelters, Quincy Gems and Springfield Sliders.
On September 26, 2019, the Prospect League announced that the franchise would relocate to O'Fallon, Missouri, beginning with the 2020 season, with the O'Fallon Hoots playing their home games at CarShield Field.
Clemens Field underwent a $3.3 million renovation project in 2008 and seats 2,500. The project received the Preserve Missouri Award.
Clemens Field was listed on the National Register of Historic Places in 2008. (includes 15 photographs from 2008)
| Inaugural season |
| Final season in Hannibal |
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