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2021 South Side Sox Top Prospect No. 39: Kodi Medeiros

A move to the pen has improved this southpaw’s control, putting him on track for the majors

Chicago White Sox v San Francisco Giants Ron Vesely/MLB Photos via Getty Images

Kodi Medeiros

Left-Handed Relief Pitcher
6´2´´
205 pounds
Age: 24
SSS rank among all left-handed relief pitchers in the system: 3
2020 SSHP Top Prospect Ranking: 44
2019 SSHP Top Prospect Ranking: 23

Kodi Medeiros was the highest prep baseball pick to ever come out of Hawaii, when he was selected in the first round (12th overall) in the 2014 draft. Progress has been slow for Medeiros, however, as he’s seemingly struggled at every stop. With the 2014 AZL Brewers, he posted a 7.13 ERA and 2.09 WHIP in an albeit small sample size of 17 23 innings. The 2015 season saw him pitching for the Brewers A-level squad in Wisconsin, while the next two years saw him struggle with command for the Brewers A+ teams. Through 2017, these were Medeiros’ combined numbers: 5.19 ERA, 1.54 WHIP, .258 OBA, 11.5 BB% and 20.8 K%.

In 20 appearances (15 starts) for Double-A Biloxi in 2018, Medeiros was off to a great start with a 3.14 ERA and 1.31 WHIP as he was beginning to throw more strikes. On July 26, however, he was traded along with pitcher Wilber Perez to the White Sox for reliever Joakim Soria. Perhaps trying to do too much after the trade, Medeiros started seven games and struggled with a 4.98 ERA and 1.54 WHIP, losing his earlier-season control.

The 2019 season was an adventure for Medeiros, as he again struggled to throw strikes to begin the season. In his first nine appearances (all starts), he posted an unsightly 7.75 ERA and 2.04 WHIP by allowing 57 hits (.333 OBA) and 26 walks in the span of 40 23 innings.

He fared much better, however, after heading to the bullpen. In his last 19 outings totaling 42 13 innings, Medeiros compiled a much-improved 2.55 ERA and 1.13 WHIP by surrendering just 23 hits (.164 OBA) and 25 walks. While his control wasn’t any better out of the pen, he allowed far fewer hits. Lefties hit just .220 against his offerings this year while righties hit him at a .275 clip.

Medeiros features a 92-95 mph fastball with life and is graded 55 by MLB Pipeline. An even better pitch, a slider with significant lateral break, was given a 60. A third pitch, which has good sinking and fading action, is rated 50 by MLB Pipeline.

With all that said, it’s all about throwing strikes for Medeiros, as his control and command have been lacking at times. Even though the control hasn’t improved since his conversion to the bullpen, his command is better, as evidenced by the significant reduction in OBA.

Medeiros is still a little young, so it wouldn’t be surprising to see him continue honing his skills in Birmingham this year. But given this year’s invitation to major league spring camp (just yesterday he was designated), Charlotte seems a reasonable target.