<P> Betances was optioned to Triple - A Scranton / Wilkes - Barre on August 15 and brought back up to the majors on September 1, 2013 when rosters were expanded . </P> <P> Betances made the Yankees' Opening Day roster in 2014 . He was elected to his first All Star Game in 2014, becoming the first Yankees rookie pitcher--along with teammate Masahiro Tanaka--to earn an All - Star Game nod since Spec Shea in 1947 . </P> <P> On September 17, 2014, Betances struck out Kevin Kiermaier in the eighth inning of a game against the Tampa Bay Rays to notch his 131st strikeout, surpassing Mariano Rivera's Yankees team record for strikeouts by a relief pitcher, set in 1996 . Betances did so pitching 20 innings fewer than Rivera . </P> <P> Despite the physical height listed above for him in high school, Betances was listed on the Yankees' 2014 roster as being 6 - foot - 8, which is why he chose his uniform number of 68 . In 2014, Betances made 70 appearances out of the bullpen with a 5--0 record, a 1.40 ERA, and his 135 strikeouts led the majors amongst all relief pitchers . Betances finished in 3rd place in voting for the American League Rookie of the Year Award, behind Angels pitcher Matt Shoemaker and White Sox first baseman Jose Abreu . </P>

Who wears number 64 for the new york yankees