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South Side Sox Top Prospect No. 23: Kodi Medeiros

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Our top left-handed starter prospect is suffering from another bout of wildness to start his 2019 season

Role reversal: Is Medeiros better suited for the bullpen? The 2019 season will make the picture clearer.

Kodi Medeiros
6´2´´
205 pounds
Throws: Left
Age: 22
SSS rank among all left-handed starting pitchers in the system: 1

When Medeiros finished his senior season with Waiakea H.S. (Hilo, Hawaii) with a 1.12 ERA, .178 OBA, and 16.7 K/9, PerfectGame ranked him as the sixth-best prep prospect available in the 2014 draft. Thus, it was no surprise when the Milwaukee Brewers selected him with their first round pick (12th overall). After receiving a $2.5 million signing bonus, Medeiros struggled with the AZL Brewers to the tune of a 7.13 ERA and 2.09 WHIP.

The following year, Medeiros bounced back somewhat with the Brewers’ A-affiliate Wisconsin, where he posted a 4.44 ERA and 1.28 WHIP in 93 13 innings, allowing 79 hits (.228 OBA) and 40 walks (10.0%) and striking out 94 (23.5%). However, he slid back in 2016 and 2017 for the Brewers’ A+ affiliates in Brevard County and Carolina, where in a combined 213 13 innings, Medeiros posted a 5.36 ERA, 1.56 WHIP, .266 OBA, 11.9 BB%, and 19.9 K%.

In 20 outings (15 starts) for Double-A Biloxi in 2018, Medeiros was enjoying his best minor league season to date — a 3.14 ERA and 1.31 WHIP over 103 13 innings, allowing just 90 hits (.234 OBA) and 45 walks (10.1%) while striking out 107 (24.0%). On July 26, Medeiros was traded along with right-handed pitcher Wilber Perez to the White Sox for closer Joakim Soria. After the trade, Medeiros struggled a bit in seven starts totaling 34 13 innings, posting a 4.98 ERA and 1.54 WHIP while allowing 31 hits (.250 OBA), 22 walks (14.5%) and 34 strikeouts (22.4%).

Medeiros’ fastball maxes out at 95-96 mph, with tailing action. He’s also got a plus slider which has a significant lateral break, and a solid changeup with good sink and fading action. However, he may have a more successful career as a closer for two reasons:

  1. He’s got a unique arm slot which makes it difficult for lefties to pick up: Lefties hit just .160 against him this year compared to .261 versus righties.
  2. His control has been totally underwhelming: His career walk percentage in his four years of professional baseball is 11.4.

Medeiros returned to the Birmingham rotation to begin 2019, and it’s been a very rough start: 0-6, with an 6.68 ERA and 2.041 WHIP in seven starts. Control issues are again plaguing him, as he’s thrown 21 walks against 28 Ks in 32 13 innings. One saving grace is that Medeiros is still about a year-and-a-half years younger than Double-A league average.


Take a look!

Thanks to 2080 Baseball for the film!


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