see more

Argentina's River Plate footballers leave the pitch under police shields after the match was suspended when Boca Juniors' fans pepper sprayed River Plate players before the start of the second half of the Copa Libertadores 2015 round before the quarterfinals second leg football match at La Bombonera stadium in Buenos Aires, Argentina, on May 14, 2015. AFP PHOTO / ALEJANDRO PAGNI (Photo credit should read ALEJANDRO PAGNI/AFP via Getty Images)

Argentina's River Plate footballers leave the pitch under police shields after the match was suspended when Boca Juniors' fans pepper sprayed River Plate players before the start of the second half of the  Copa Libertadores 2015 round before the quarterfinals second leg football match at La Bombonera stadium in Buenos Aires, Argentina, on May 14, 2015. AFP PHOTO / ALEJANDRO PAGNI        (Photo credit should read ALEJANDRO PAGNI/AFP via Getty Images)