Strahm picked up the save Thursday, tossing a perfect ninth inning with one strikeout against the Marlins.
Strahm struck out two and gave up a solo home run to Leo Jimenez in the ninth inning Tuesday to record his second save of the season in a 10-9 win over the Blue Jays.
Strahm signed a one-year extension with the Phillies on Sunday that includes a club option or vesting option for the 2026 season.
Strahm didn't factor into the decision in Monday's 9-8 loss to the Diamondbacks after striking out one and allowing three runs on four hits and one walk over 2.2 innings.
Strahm will start Monday's game against the Diamondbacks, Corey Seidman of NBC Sports Philadelphia reports.
Strahm did not factor into the decision during Saturday's win over the Phillies, tossing two scoreless innings in which he didn't allow a hit or walk and struck out one.
Strahm (4-3) earned the win Sunday against the Cubs. He allowed a walk while striking out two in a scoreless inning.
Phillies manager Rob Thomson confirmed Wednesday that Strahm will move into the bullpen when Ranger Suarez (elbow) is likely activated from the 15-day injured list next week, Todd Zolecki of MLB.com reports.
Strahm (2-2) earned the win Thursday, allowing no runs on two hits over 5.1 innings against the Mariners. He struck out five.
Strahm (thumb) is listed as the Phillies' probable starter for Thursday's game against the Rockies.