Final push to win votes before GOP presidential primary in Wis.

MILWAUKEE -- It is the final push to win votes before the GOP presidential primary in Wisconsin and Republican candidates are spending their last day campaigning before the polls open on Tuesday, April 3rd. On Monday, Mitt Romney and Rick Santorum made a final push for votes.

Romney and Santorum made multiple campaign stops throughout Wisconsin Monday.

Republican frontrunner Mitt Romney has been very busy campaigning and he doesn't appear to be slowing down. Over the weekend the Massachusetts Governor received a big boost after receiving endorsements from Congressman Jim Sensenbrenner,Senator Ron Johnson, and Congressman Paul Ryan.

Romney also made stops in Green Bay and Milwaukee. Romney had a schedule appearance at Moore Oil Company in Milwaukee for 3:45 Monday afternoon.

Meanwhile, Rick Santorum is hoping to ramp up support in eastern Wisconsin Monday, saying he is more determined than ever going into Tuesday's primary. The former Pennsylvania senator tells supporters that despite Romney's recent endorsements, the race is far from over.

"A lot of people must be concerned we're gonna do really well on Tuesday, so I'm encouraged by all this. It shows the establishment is getting nervous," Santorum said.

Santorum's stops Monday focused on eastern Wisconsin, near Fox River Valley. Santorum's campaign stops included Shawano, Appleton, Manasha, Oshkosh and Ripon.

As for the other GOP candidates, Newt Gingrich and Ron Paul, they left the state over the weekend.