The Portuguese now sits alongside the former Red Devils boss - as well as Brian Clough - in the rankings having led his side to a 3-2 win on Sunday
Jose Mourinho has now won the League Cup four times, a joint-record among managers along with Brian Clough and former Manchester United boss Sir Alex Ferguson.
United played out a thrilling Wembley final with Southampton on Sunday, with Zlatan Ibrahimovic scoring twice to secure the trophy for the Red Devils.
Manolo Gabbiadini had an early goal ruled out for offside but went on to score twice, levelling the game after Jesse Lingard put United 2-0 up in the first half.