Galllo singled home two in his first at-bat of his major-league career, added his first career home run and a double, and knocked in four in the Rangers' 15-2 win over the White Sox. He walked and even got a standing ovation when striking out with the bases loaded. Carlos Corporan added a career-high five RBI in the win.
Gallo's first career home run went 418 feet to extend the lead to 6-2, and he nearly hit his second when his double went off the left-center field wall in the fifth.
Corporan and Shin Soo Choo both went deep for Texas, who, after a loss and a victory to end the series, have won 12 of their last 15 games.
Colby Lewis struck out four and had no walks in seven innings, with his only mistake coming on a two-run home run for Adam Eaton. Jeff Samardzija allowed nine runs on 12 hits, which are both career highs over 233 games, 110 starts since he deubted in 2008.
Gallo was selected 39th overall in the June 2012 amateur draft, and was hitting .314 with nine home runs and 31 RBI in 34 games in Double-A this season. He would hit his second career home run in the ninth inning of a loss to Chicago on Wednesday.
The Rangers move into a big weekend series with the Kansas City Royals at Kauffman Stadium beginning tonight.