The 27-year-old sustained the injury while bowling on day three of the second Test against England and coach Gary Stead expected he would require four to six weeks of rest before beginning a rehabilitation program targeting a potential return to play in September or October.
Bairstow achieved this feat during the second Test of the three-match series against New Zealand at Trent Bridge, where he smashed his ton in just 77 balls.
Root achieved this feat on Day 4 of the ongoing second Test against New Zealand, here at Trent Bridge, where he smashed a total of 176 runs in England's first innings.
New Zealand suffered a big blow ahead of the second Test against England as all-rounder Colin de Grandhomme ruled out of the remainder of the series due to injury.