Jose Mourinho's team have been involved in 22 Premier League matches following Bale's return to the north London club but the 31-year-old has started just two of those.
Cup success is what Jose Mourinho may now need to save his job at Tottenham Hotspur and salvage his first full season in charge.
Premier League: Jose Mourinho says Tottenham Hotspur won't use Gareth Bale as striker in Harry Kane's absence
Harry Kane suffered injuries to both ankles in the first half of Tottenham's 3-1 defeat against Liverpool on Thursday and did not appear after half-time.
"The fact that one of the Wales coaches is also an Arsenal coach does not make me very comfortable," said Mourinho.
Premier League: Gareth Bale 'motivated' to recover from knee injury for second Tottenham debut, says Jose Mourinho
Gareth Bale rejoined the London club last week from Real Madrid on a season-long loan.
Real Madrid extended their La Liga lead to four points and still have a game in hand over their title rivals as Cristiano Ronaldo was on target in a 3-0 win over Real Sociedad
The northern Welsh town of Bala, with a population of about 2,000 inhabitants, has temporarily changed its name to Bale in honour of the country's leading football star, Gareth Bale
Real Madrid got their La Liga title challenge back on course despite an underwhelming performance as goals from Gareth Bale and Cristiano Ronaldo handed them a 2-0 win at Eibar on Sunday.
There will be goals, dinks, crosses, cards and dives and fouls. There will be Barca. There will be Real. There will be goals. And there will be titles.