Oscar Marin named Pirates' pitching coach

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How Oscar Marin is trying to improve the Pirates' pitching staff

Mitch Keller, a revelation for the Pirates, is proving you can become an ace in Pittsburgh

Pirates manager Derek Shelton ejected along with two coaches for arguing strike zone

Pitching coach Oscar Marin of the Pittsburgh Pirates looks on during Fotografía de noticias - Getty Images

Pirates name Oscar Marin pitching coach

Pirates pitching coach Oscar Marin focusing on future of rotation shaken by injury

Pirates pitching coach Oscar Marin encouraged by bullpen's growth, diversity and effectiveness

Into 'the unknown': How Pirates pitchers are handling this break

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