HOUSTON, TX - JUNE 21: Lionel Messi #10 of Argentina interacts with a fan who ran onto the field prior to the start of the second half during a 2016 Copa America Centenario Semifinal match between Argentina and the United States at NRG Stadium on June 21, 2016 in Houston, Texas. (Photo by Bob Levey/Getty Images) (2016 Getty Images)
HOUSTON, TX - JUNE 21: Lionel Messi #10 of Argentina interacts with a fan who ran onto the field prior to the start of the second half during a 2016 Copa America Centenario Semifinal match between Argentina and the United States at NRG Stadium on June 21, 2016 in Houston, Texas. (Photo by Bob Levey/Getty Images) (2016 Getty Images)
HOUSTON, TX - JUNE 21: Lionel Messi #10 of Argentina interacts with a fan who ran onto the field prior to the start of the second half during a 2016 Copa America Centenario Semifinal match between Argentina and the United States at NRG Stadium on June 21, 2016 in Houston, Texas. (Photo by Bob Levey/Getty Images) (2016 Getty Images)
HOUSTON, TX - JUNE 21: Lionel Messi #10 of Argentina interacts with a fan who ran onto the field prior to the start of the second half during a 2016 Copa America Centenario Semifinal match between Argentina and the United States at NRG Stadium on June 21, 2016 in Houston, Texas. (Photo by Bob Levey/Getty Images) (2016 Getty Images)
HOUSTON, TX - JUNE 21: Lionel Messi #10 of Argentina hugs a fan who ran onto the field prior to the start of the second half during a 2016 Copa America Centenario Semifinal match between Argentina and the United States at NRG Stadium on June 21, 2016 in Houston, Texas. (Photo by Bob Levey/Getty Images) (2016 Getty Images)
HOUSTON, TX - JUNE 21: Lionel Messi #10 of Argentina autographs the shirt of a fan who ran onto the field prior to the start of the second half during a 2016 Copa America Centenario Semifinal match between Argentina and the United States at NRG Stadium on June 21, 2016 in Houston, Texas. (Photo by Bob Levey/Getty Images) (2016 Getty Images)
HOUSTON, TX - JUNE 21: Lionel Messi #10 of Argentina interacts with a fan who ran onto the field prior to the start of the second half during a 2016 Copa America Centenario Semifinal match between Argentina and the United States at NRG Stadium on June 21, 2016 in Houston, Texas. (Photo by Bob Levey/Getty Images) (2016 Getty Images)