Two first-place clubs riding identical hot streaks meet again Wednesday night as the Houston Astros host the Philadelphia Phillies in a marquee midseason showdown.

The Astros, winners of six straight at home, enter with a 46-33 record and a firm grip on the AL West. They've surged behind strong pitching and timely hitting, outscoring opponents by 10 runs over their last 10 games while posting a 3.40 team ERA. Mauricio Dubón has been a spark during that stretch, slugging four homers in his last 10 games, while Isaac Paredes continues to anchor the lineup with a team-high 16 home runs.

They’ll hand the ball to rookie left-hander Colton Gordon, who brings a 2-1 record and 4.54 ERA into his eighth start of the season. Gordon has shown flashes of potential but will face perhaps his toughest test yet against a Phillies lineup loaded with talent and plate discipline.

Philadelphia, 47-32 and sitting atop the NL East, has the third-best on-base percentage in baseball (.331) and no signs of slowing. They've gone 7-3 in their last 10 games, outscoring opponents by 15 runs and batting .267 during that stretch. Trea Turner has begun to heat up, going 12-for-42 in his last 10 contests, while Nick Castellanos remains a consistent threat with 21 doubles and 41 RBIs on the year.

The Phillies will counter with ace Zack Wheeler, who enters with dominant numbers: a 7-2 record, 2.61 ERA, 0.91 WHIP, and 118 strikeouts. Wheeler’s command and swing-and-miss stuff have been a constant all season, and the Astros will have to work for every base runner.

This is the second meeting between the two clubs this season, with the Astros winning the first contest, 1-0. With both teams trending upward, it has all the makings of another tight, low-scoring battle. The betting line favors Philadelphia (-160), with the over/under set at 7.5 runs — a reflection of the elite pitching expected on both sides.

First pitch is set for 8:10 p.m. EDT at Daikin Park.