(in the US) a series of baseball games played between two teams in the same city, especially New York.
- ‘At least I still had a subway series to look forward to.’
- ‘In any structure, you can obtain cable service, you can connect a flat-screen television, you can watch the Yankees and the Mariners as prelude to a subway series.’
- ‘Given my line of work, the Yankees' recent clinching of the first subway series in 44 years naturally got me to thinking about brand loyalty and its value.’
- ‘New York was bubbling over with excitement, ready for one of two annual subway series.’