Clarkin signed a minor-league contract with the Diamondbacks on Sunday.
Ginkel pitched a perfect ninth in Sunday's 3-2 win over the Mariners to earn his fifth save of the year. He struck out one.
Pfaadt did not factor into the decision in Sunday's 3-2 win over the Mariners. He allowed two runs on five hits while striking out 11 over six innings.
Walker went 2-for-4 with a solo home run and a double in Sunday's 3-2 in over the Mariners.
Henry is slated to make his next start Monday against the Dodgers at Chase Field.
Alexander is out of the lineup for Sunday's game against the Mariners.
Moreno is out of the lineup for Sunday's game at Seattle.
Cecconi (1-1) took the loss Saturday against the Mariners, allowing one run on three hits and one walk while striking out eight over six innings.
McCarthy started in right field, batted leadoff and went 1-for-3 with a walk, triple and an RBI in Saturday's 3-1 loss to the Mariners.
Alexander went 1-for-2 with a walk, double and run scored in Saturday's 3-1 loss to Seattle.
Gallen (hamstring) expressed optimism Saturday that he will make his next scheduled start, Steve Gilbert of MLB.com reports.
Sewald (oblique) will have his rehab slowed a bit due to soreness, Jody Jackson of Bally Sports Arizona reports.
McGough allowed three runs on two hits and two walks over one inning in Friday's 6-1 loss to the Mariners.
Newman started at shortstop and went 1-for-3 with a solo home run in Friday's 6-1 loss to Seattle.
Sewald (oblique) will throw a bullpen session Saturday, Steve Gilbert of MLB.com reports.
Troy will miss 4-to-6 weeks at High-A Hillsboro with a left hamstring strain, Jesse Friedman of GoPHNX.com reports.
Montgomery (1-1) took the loss against the Cardinals on Wednesday, allowing three runs (two earned) on six hits while walking one and striking out four over seven innings.
Sewald (oblique) is meeting with the Diamondbacks' medical team to determine whether he needs another rehab appearance or is ready to be activated, Theo Mackie of The Arizona Republic reports.
Nelson (elbow) will throw a bullpen session Wednesday, Theo Mackie of The Arizona Republic reports.
Gurriel is out of the lineup for Wednesday's game against the Cardinals.
Marte is out of the lineup for Wednesday's game against the Cardinals.
Moreno is out of the lineup for Wednesday's game against the Cardinals.
Carroll will start in center field and bat seventh in Wednesday's game in St. Louis.
Alexander (hamstring) will start at shortstop and bat second in Wednesday's game against the Cardinals.
Arizona manager Torey Lovullo said after Tuesday's 14-1 win over the Cardinals that he expects Kelly (shoulder) to miss at least one month after landing on the 15-day injured list, Theo Mackie of The Arizona Republic reports. "We're not looking in terms of weeks as what we had hoped for," Lovullo said of Kelly's timetable for a return from a teres major strain in his right shoulder. "So I think the next step up is a month, more than that."