Volquez (6-7) allowed the one hit to Matt Downs with two down in the fourth. Other than three walks, Volquez was pretty magnificent, throwing 75 of 117 pitches for strikes and striking out five for his first major league shutout.
Despite playing for a team that's 16 games under .500 and 13 games out in the NL West, Volquez is having a solid year, sporting a 3.34 ERA and striking out 109 batters in 121.1 innings.
The Padres are in fourth place in the division, just 2 1/2 games ahead of last place Colorado. The win was the third straight for the Padres, who lost the opener of their four game series with the Astros, but won the remainder.
Upton went 3-for-5, two doubles and a single, and plated three in the sixth inning when he doubled with the bases loaded. He later scored, giving Price more than enough runs to support his seven inning, two-hit effort for his league-leading 13th win.
Price, who's suffered defeat only four times this season, walked three and struck out seven, in the process lowering his ERA to a very respectable 2.64, fourth-best among AL starters.
The Rays next host Seattle for three games before embarking on a nine-game road swing that will take them coast-to-coast, from Baltimore to LA and then on to Oakland.