TWITTER REACTION: Sports greats fill Twitter with messages for Dirk Nowitzki
https://twitter.com/DallasStars/status/1115772855805984768
https://twitter.com/EmmittSmith22/status/1115776685620768768
https://twitter.com/dallascowboys/status/1115816509601873922
https://twitter.com/SteveNash/status/1115813031227748352
https://twitter.com/matrix31/status/1115629250328055809
https://twitter.com/TroyAikman/status/1115757523317866497
https://twitter.com/jasonterry31/status/1115779524778778624
https://twitter.com/FCDallas/status/1115797047653879809
https://twitter.com/Suns/status/1115842136363229184
https://twitter.com/sdotcurry/status/1115844628262129666
https://twitter.com/JLin7/status/1115825724991201286
https://twitter.com/LAClippers/status/1115819698715680768