Pfaadt came away with a no-decision in Wednesday's 2-1 win over the Reds, allowing one run on two hits and two walks over seven innings. He struck out nine.

Pfaadt (1-3) took the loss Friday as the Diamondbacks fell 4-2 to the Orioles, giving up three runs on five hits and two walks over six innings. He failed to strikeout a batter.

Pfaadt (1-2) took the loss against the Padres on Saturday, allowing five runs (three earned) on 10 hits over six innings. He struck out four.

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.

Pfaadt (1-1) allowed three runs (two earned) on six hits over seven innings in a loss to the Cubs on Wednesday while striking out six.

Pfaadt (1-0) yielded a run on five hits over five frames Sunday, striking out six and earning a win over the Rockies.

Pfaadt allowed one run on two hits while striking out one over two innings in Monday's spring start against the White Sox.

Pfaadt allowed two runs on two hits and one walk over one inning in Wednesday's spring start against the Guardians.

Pfaadt threw his first live batting practice session Tuesday, Jack Magruder of MLB.com reports.

Pfaadt is projected to open the season at the Diamondbacks' fourth starter, Steve Gilbert of MLB.com reports.