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2023 Diamondbacks Reviews: #48 Anthony Misiewicz

Lefty depth option for a month.

San Francisco Giants v Arizona Diamondbacks Photo by Norm Hall/Getty Images


  • Rating: 3.00
  • 2023 stats: 7 G, 8 IP, 5.63 ERA, 4.51 FIP, 1.75 WHIP, 2.00 SO/BB, 81 ERA+
  • Date of birth: November 1, 1994 (29 years old)
  • 2023 earnings: $150,969 (via Spotrac)
  • 2024 status: Designated on June 12, 2023.


Anthony Misiewicz is an 18th round draftee in 2015 out of Michigan State, where the Spartan mainly pitches in relief, combined with regular starts. Not a high profile pick, the Mariners, who draft him, commit him to full-time starting in 2016. He isn’t much of a strikeout guy, but keep the walks in check, but is too hittable from time to time. As FanGraphs quotes in their 2019 farm update:

Though his fastball plays up a little bit due to extension and occasionally has bat-missing movement, it’s fairly hittable when left in the strike zone and Misiewicz will likely have to make frequent use of his changeup and breaking ball. [...] There’s sufficient fifth starter stuff here, especially if there’s a way to alter his fastball shape and usage in a way that makes it less vulnerable in the strike zone. - FanGraphs in 2019 on Anthony Misiewicz

Misiewicz moves up each year on the ladder, without impressing, ending each year with an ERA well above 4.00 or 5.00. It doesn’t stop the Mariners from promoting him each season and in 2020 he makes his MLB debut in the shortened season.

He is heavily used in his debut season, appearing in 21 games, and finishes with a 4.05 ERA. In 2022 he is a fixed name on the 26-man roster and pitches in bulk relief to a 4.61 ERA in 54.2 innings.

In 2022 his stock drops and at the end of July the Mariners designate him for assignment. The Royals trade for Misiewicz and send cash to Seattle. They make use of him for some relief in the final two months of the season before designating him for assignment themselves in December. Now the Cardinals acquire him for cash and he gets an invite to Spring Training.

2023 review

Anthony Misiewicz was a late addition to the Diamondbacks 40-man roster. The lefty was acquired on March 31, when he was traded for cash with the St. Louis Cardinals, who had designated him for assignment some days earlier. Misiewicz’ opening on the 40-man roster came after the Diamondbacks moved Corbin Martin to the 60-day IL.

Misiewicz was clearly a lefty depth option on the roster, with Chafin and Mantiply being the only other two lefties on the 40-man roster.

He was optioned to Reno and pitched 7.1 innings there, 8 appearances, and gave up 3 runs in those, before being called up to the major leagues on April 20. He thus became the replacement for Madison Bumgarner on the roster, after the latter was designated for assignment by the team.

He was immediately put into action, in a close game with the San Diego Padres and pitched 0.2 innings. Three days later he would pitch 2.0 innings against the Padres. Both games ended in a loss and Misiewicz entered both times with the Diamondbacks already behind. He did rather well, getting the job done with a good cutter and fastball location, except for a couple of bad ones, both punished by Cronenworth.

Misiewicz struggled quite a bit more against Kansas, but ended with a clean performance against the Rockies before being optioned back to Reno and the Diamondbacks decided to go with an extra position player instead (Dominic Fletcher). He pretty much performed according to the expected standards up to that point.

The lefty pitched 3 in Reno before he was sent up again. This time he pitched two against the Giants, ending with the win in the first outing.

But then the game against the Pittsburgh Pirates came and the wheels fell off. Zac Gallen had already given up 8 runs when Misiewicz entered the 4th inning for some bulk work. He ends the 4th with an out and even the 5th inning could have been a quick one. Bae hits a well wide pitch and is able to run out an infield hopper. Palacios and Hedges both strike and pop out, but because of that first single, the inning is still continuing. McCutchen easily singles on a weak cutter and with two men on base, Reynolds launches another bad located cutter into the stands for 3 runs. Misiewicz finishes the inning in the end, but the following day he is placed on the IL with a right calf strain.

He returns on June 10 officially, after two rehab appearances in the ACL and Reno, is optioned to AAA and two days later designated for assignment when Carson Kelly is activated from the 60-day IL, but also with Joe Mantiply returning from the IL. With his return and the presence of Tommy Henry in the rotation and Kyle Nelson and Andrew Chafin in the bullpen, he is eventually the 4th lefty out.

2024 outlook

After getting designated for assignment on June 12 by the Diamondbacks, Misiewicz was claimed off waivers by the Detroit Tigers. He pitched in one game there and gave up 3 runs and let an inherited runner score, in just 0.1 innings. He was designated a few days later and got claimed off waivers by the Yankees.

In New York he got a win and a hold, before he blew a save, allowing 3 runs, in a third game in which he also received a comebacker and had to leave the game injured. He was placed in concussion protocol and ended the season on the IL. On November 17 the Yankees non-tendered Misiewicz, who had become arbitration eligible for the first time in his career.

Misiewicz still has an option remaining and as a lefty bulk reliever he should have no problem to find a new employer in major league baseball.