MOON, Pa. — Millions of dollars in outside spending and national media attention have been directed at Tuesday’s special election in southwestern Pennsylvania — all for a district that likely won’t even exist come November.

Democrat Conor Lamb, a former federal prosecutor, is locked in a tight race with Republican state Rep. Rick Saccone in a district President Donald Trump carried by nearly 20 points in 2016. Whoever wins the 18th District race will head to Congress, but he will run for a full term in a newly configured district, thanks to the state Supreme Court imposing a new congressional map ahead of the midterm elections.

“It’s kind of lame, to be honest with you,” Joseph Obenour, a 47-year-old nurse from Cuddy, said of the changing districts after a rally for Lamb in Moon Township last week.

But the prospect of a temporary victory wasn’t dampening Obenour’s resolve, or his willingness to knock on doors with the Service Employees International Union.

“It feels good to be for the underdog, against big business, against big money, against the one-percenters,” said Obenour, who was sporting a purple “Health Care Workers for Lamb” T-shirt. “And even if it’s short-lived and it’s only for a few months, it’s worth it.”