This 15-year-old club plays baseball using 1860s-era rules against similar teams from around the region. Today, they play Kalamazoo’s 13-year-old club, a revival of a club first founded in 1860. 1 p.m., Timbertown Park, Sibley (west off Main north of downtown), Chelsea. Free. (248) 930–6130, [email protected], chelseamonitors.com.