The Nevada Union baseball team needed an extra inning Thursday to get their second win of the season, beating Rio Americano on the road, 4-3, in eight innings. The game was knotted at one apiece headed to the extra frame. That’s when NU’s senior first baseman Cody Gardner got things rolling with a hit. Junior Joey Souza followed with a hit, and a wild pitch plated Gardner. An error on a later play plated another two Miners to give NU the 4-1 advantage heading into the bottom of the inning. Rio Americano answered with a pair of runs, but Souza, …