NBA on ESPN: There is “a real level of … NBA on ESPN: There is “a real level of concern” about Ben Simmons’ back injury. @wojespn with the latest on the Sixers star. There is "a real level of concern" about Ben Simmons' back injury. @wojespn with the latest on the Sixers star: pic.twitter.com/udziIscEHH — NBA on ESPN (@ESPNNBA) February 24, 2020