MIAMI (CBSMiami) – If not for New York Mets pitcher Matt Harvey, Miami Marlins rookie phenom pitcher Jose Fernandez would almost be a lock for National League Rookie of the Year.

Fernandez had another stellar performance Sunday when he pitched 13 strikeouts against the Pittsburgh Pirates. Fernandez’s 13 K’s were the most by a National League right-handed pitchers under 21 since Kerry Wood had 13 K’s against the Braves in 1998, according to ESPN.

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Fernandez’s strikeouts also broke the Marlins rookie record of 12 in a game that was held by Josh Beckett since July 2002. According to the South Florida Sun-Sentinel, Fernandez was also just the sixth pitcher since 1916 to pitch eight innings and strikeout 13 in their first 20 starts.

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The only thing that Fernandez wasn’t able to do in the Marlins’ 3-2 victory over Pittsburgh was finish the game. Despite having thrown only 97 pitches heading to the ninth inning, Fernandez was taken out of the game as he’s on a strict pitch count in his first season in the major leagues.

Despite the Marlins’ offensive woes this season, Fernandez is 7-5 with a 2.71 ERA in 119.2 innings pitched. Fernandez is also carrying a strikeout-to-walk ratio of almost 3-1 and has allowed only 36 earned runs in his 20 starts.

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Overall, opponents are hitting just .195 against Fernandez in 2013.