Rangers have won three and lost three of their latest six games.
Motherwell have won four and lost two in their latest six outings.
Well’s 2-1 win at Ibrox in March is their only win over Rangers in 21 meetings since beating them 2-0 in the last League Cup semi-final between the sides in 2017.
Overall, Rangers have won nine of their 17 League Cup meetings with Motherwell, who have won four.
Motherwell have lifted the League Cup once, beating Hibernian 3-0 in the 1950 final.
Rangers lifted the League Cup for a 28th time by beating Aberdeen 1-0 under Philippe Clement in December last year.
Well last reached the League Cup final in 2017, losing to Celtic 2-0 after beating Rangers in the semi-final.