Recall LHP Rob Zastryzny
Zastryzny started the season in Triple-A Iowa, working out of the bullpen. Appearing in seven games this year, he has worked 17.0 innings. He owns a 0-1 record with one save. He has posted an astronomical ERA of 6.88 in Iowa, with a WHIP of 1.71. Opponents hit .286 against him in Iowa. He also has a left-on-base percentage of 57.3%.
Zastryzny split 2016 between the Double-A Tennessee Smokies, Iowa, and had a call-up to the parent club. In Iowa last year, he started 14 games, and posting a record of 7-3. He held an ERA of 4.33 and a WHIP of 1.21 over 81 innings pitched. He faced 339 batters, allowed 67 hits, and held opposing batters to an average of .219.
Zastryzny made eight appearances with Chicago, starting one game. He posted a MLB record of 1-0, pitched 16 total innings, facing 66 batters, and gave up 12 hits and only two earned runs. He posted a ERA of 1.13 for the parent club, with a WHIP of 1.06 (minor league stats courtesy of fangraphs).
Matt Szczur’s Stats
Szczur has appeared in 15 games for the Cubs this year, with a total of 23 plate appearances. He owns a slash line of .211/.273/.263/.536 this year. Szczur strikes out 17.4% of the time and only walks 8.7% of the time. He appeared in 107 games for Chicago last year, with 200 plate appearances. His slash line last year was .259/.312/.400/.712.