The 2016 presidential candidates are starting to drop like flies after the Iowa caucus.

Rick Santorum is expected to end his campaign in the 2016 Republican presidential race on Wednesday night, Feb. 3, CNN reported, citing two Republican sources. His announcement will come hours after fellow Republican Rand Paul suspended his presidential bid.

Santorum received 0 delegates in Monday night’s Iowa caucus after receiving only 1 percent of the vote. The only Republican candidate to receive fewer votes than Santorum was Jim Gilmore.

Republican Mike Huckabee ended his campaign on Monday night, as did Democrat Martin O’Malley.

Santorum is expected to endorse a candidate with his announcement on Wednesday night.