Jasson Dominguez established career highs of three homers and seven RBIs to help the New York Yankees post a 10-2 victory over the Athletics on Friday night at West Sacramento, Calif.The switch-hitting Dominguez hit a solo shot from the left side in the third inning, a bases-empty blast while hitting right-handed in the seventh and blew the game open from the left side with a grand slam in the eighth.Dominguez, who never previously had more than one homer or three RBIs in a game, also drove in a run with a sacrifice fly. At 22 years and 91 days old, he became the youngest Yankee ever to produce a three-homer game.Will Warren (2-2) pitched a career-long 7 1/3 innings and held Athletics to four hits. He struck out seven and walked one. The lone run charged to Warren scored after he exited the game, when reliever Mark Leiter Jr. yielded an RBI single to Jacob Wilson.Paul Goldschmidt also homered as the Yankees racked up 14 hits to win their third straight game. Goldschmidt, J.C. Escarra, Ben Rice and Jorbit Vivas each had two hits for New York.Dominguez homered for the first time since April 21. He had just two on the season entering the contest.Nick Kurtz had two hits for the Athletics, who also received an RBI double by Lawrence Butler while losing their third consecutive contest.Osvaldo Bido (2-3) allowed four runs (three earned) and eight hits over 5 1/3 innings. He struck out six and walked two.Goldschmidt came up with two outs in the third and fell behind 0-2 before hammering a slider over the fence in center for a 1-0 lead.