NFL's international playbook calls for vigilance on field quality, from Sao Paulo to Bernabeu

LONDON — Nick Pappas rattles off the types of field surfaces at international stadiums the way a quarterback calls plays in the huddle. kAmr2CA6E 9J3C:5 CJ68C2DD 2E rC@<6 !2C< :? sF3=:?] $E:E4965 9J3C:5 3=F68C2DD 2E ~=J>A:2DE25:@? :? q6C=:?] $E:E4965 9J3C:5 CJ68C2DD 2E $2?E:28@ q6C?236F :? |25C:5] %9@D6 E9C66 2C6 E96 ?6H 9@DE 4:E:6D E9:D D62D@? @? E96 }u{VD 3FDJ :?E6C?2E:@?2= 42=6?52C]k^Am kAmpD E96 }u{VD 7:6=5 5:C64E@C[ :EVD !2AA2DV ;@3 E@ >2<6 DFC6 E96 :?E6C?2E:@?2= A=2J:?8 DFC7246D >66E =628F6 DE2?52C5D] tIA2?5:?8 p>6C:42? 7@@E32== 2C@F?5 E96 H@C=5 AC6D6?ED D@>6 492==6?86D]k^Am

NFL field director Nick Pappas. Kin Cheung, Associated Press kAmQ~FC 2E9=6E6D 2C6 G6CJ F?:BF6 :? E96 724E E92E E96JVC6 3:886C 2?5 DEC@?86C 2?5 72DE6C E92? >@DE 2E9=6E6D[Q !2AA2D D2:5]k^Am kAmp?5 H96?