Pittsburgh Pirates' Andrew McCutchen wears a 1979 throwback uniform while batting in the baseball game against the Cincinnati Reds in Pittsburgh, Saturday, Aug. 22, 2009. (AP Photo/Keith Srakocic Stock Photo - Alamy

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Pittsburgh Pirates' Andrew McCutchen wears a 1979 throwback uniform while batting in the baseball game against the Cincinnati Reds in Pittsburgh, Saturday, Aug. 22, 2009. (AP Photo/Keith Srakocic Stock Photo - Alamy

Wednesday, July 1, 2015: Pittsburgh Pirates Center field Andrew McCutchen's (22) [5636] shoes and socks as he steps into the batter's box for his first at bat of the game during Wednesday

Wednesday, July 1, 2015: Pittsburgh Pirates Center field Andrew McCutchen's (22) [5636] shoes and socks as he steps into the batter's box for his first at bat of the game during Wednesday

Wednesday, July 1, 2015: Pittsburgh Pirates Center field Andrew McCutchen's (22) [5636] shoes and socks as he steps into the batter's box for his first at bat of the game during Wednesday

Wichita Eagle Aug. 26 by Jean Hays - Issuu

Wichita Eagle Aug. 26 by Jean Hays - Issuu

Wednesday, July 1, 2015: Pittsburgh Pirates Center field Andrew McCutchen's (22) [5636] shoes and socks as he steps into the batter's box for his first at bat of the game during Wednesday

Wednesday, July 1, 2015: Pittsburgh Pirates Center field Andrew McCutchen's (22) [5636] shoes and socks as he steps into the batter's box for his first at bat of the game during Wednesday

Wednesday, July 1, 2015: Pittsburgh Pirates Center field Andrew McCutchen's (22) [5636] shoes and socks as he steps into the batter's box for his first at bat of the game during Wednesday

Pittsburgh Pirates' Andrew McCutchen wears a 1979 throwback uniform while batting in the baseball game against the Cincinnati Reds in Pittsburgh, Saturday, Aug. 22, 2009. (AP Photo/Keith Srakocic Stock Photo - Alamy

Pittsburgh Pirates' Andrew McCutchen wears a 1979 throwback uniform while batting in the baseball game against the Cincinnati Reds in Pittsburgh, Saturday, Aug. 22, 2009. (AP Photo/Keith Srakocic Stock Photo - Alamy

Pittsburgh Pirates Pedro Alvarez tosses his bat and walks to first base forcing in Andrew McCutchen to score in the fourth inning of the New York Mets 5-3 win at PNC Park

Pittsburgh Pirates' Andrew McCutchen wears a 1979 throwback uniform while batting in the baseball game against the Cincinnati Reds in Pittsburgh, Saturday, Aug. 22, 2009. (AP Photo/Keith Srakocic Stock Photo - Alamy