first black quarterback
... that Fritz Pollard became the NFL's first black quarterback in 1923, but it was not until 2017 that all 32 modern NFL teams had started at least one black quarterback?
... that <a href="./Fritz_Pollard" id="mwAls" rel="mw:WikiLink" title="Fritz Pollard">Fritz Pollard</a> <i id="mwAlw">(pictured)</i> became the <a href="./National_Football_League" id="mwAl0" rel="mw:WikiLink" title="National Football League">NFL</a>'s <b id="mwAl4"><a class="mw-redirect" href="./List_of_black_NFL_quarterbacks" id="mwAl8" rel="mw:WikiLink" title="List of black NFL quarterbacks">first black quarterback</a></b> in 1923, but it was not until 2017 that all 32 modern NFL teams had started at least one black quarterback?