Manchester City ended a run of 143 games for Manchester United in Sunday's derby win.
The 3-1 derby victory was the first time United had lost when leading at halftime in 143 consecutive games.
OptaJoe reports:
"143 - Manchester United lost a Premier League game in which they led at half-time for the first time since September 2014 against Leicester (5-3), ending their run of 143 unbeaten games when ahead at the break in the competition since then (W123 D20)."