Often called the “Biggest Little Rodeo in Texas,” the annual O’Donnell Rodeo begins Thursday, with nightly performances running through Saturday.Rodeo performances begin at 8 p.m. at the rodeo arena on the west side of Highway 87. Tickets are $10 for general admission, with children under age five getting in free.Every ticket has a chance to win $100 in a drawing Thursday night, $200 in a drawing on Friday, and the grand prize of $300 in a drawing on Saturday night.The rodeo parade begins at 6 p.m. Saturday. Awards will be presented for Best Riding Clubs, Best Floats, and Best Entry.Following ...