BURLINGTON, Iowa - Robinson Chirinos' RBI triple was the key hit as the Lansing Lugnuts broke open a tie game with two runs in the seventh inning on their way to a 4-2 victory and a split of their Midwest League doubleheader with Burlington on Thursday.

Burlington won the first game, 5-3.

Clay Rapada (1-1) worked 1 2/3 scoreless innings to get the win in game two. Adalberto Mendez pitched the final inning for his 10th save.

In the first game, Ronald Bay (3-3) allowed eight hits and five runs over five innings to take the loss.

Lansing's runs came on an RBI double by Carlos Rojas, a run-scoring single by Carlos Mejia and a sacrifice fly by C.J. Medlin.

The two teams play again at 8 tonight. Carlos Marmol (3-0, 1.83 ERA) will start for Lansing against Chris Goodman (0-2, 3.18).

In a roster move Thursday, lefthanded pitcher Sean Marshall was promoted to Double-A West Tennessee. He went 2-0 with a 1.11 ERA in Lansing.

No roster replacement has been announced.