Complex sentence: Another nickname, "the Dash," comes from the (-) in the city's name, although technichally it is a hyphen, not a dash; this is used by the local minor league baseball team, the Winston-Salem Dash.
Split into simpler sentences: Another nickname, "the Dash," comes from the (-) in the city's name, although it's not a dash at all but a hyphen. That's the name taken by the minor league baseball team, the Winston-Salem Dash.