The Welshman gets the nod after coming off the bench to net the winner and his first Spurs goal for seven years against Brighton last weekend.
Bale got 65 minutes in the Europa League win over Ludogorets on Thursday as Tottenham manage his fitness after a knee injury and he is deemed ready to make an impact from the outset in the Midlands this afternoon.
Mourinho named a strong side in Bulgaria and welcomes back full-back Sergio Reguilon this afternoon after illness.
The Portuguese has called on TV companies to be more considerate with their scheduling with Spurs kicking off at noon today after flying back from Bulgaria on Thursday night.
“It’s something that happens for many years in the Premier League, where the clubs involved in European competitions are not protected,” said Mourinho after Tottenham’s Europa League win.
“But we get big salaries and of course the broadcasters have big responsibility for the big salaries we all get. So they have the right to choose but if they could be a little bit more careful about the English teams in Europe, it would be good. In other countries, they do that. But that’s the way it is.
“The good thing is I don’t think we have injuries from the match today [against Ludogorets] and Reguilon trained this morning at the training ground so normally tomorrow he will be fine.”
West Brom: Johnstone, Furlong, Bartley, O’Shea, Ajayi, Townsend, Gallagher, Livermore, Krovinovic, Robinson, Ahearne-Grant
Subs: Gibbs, Phillips, Diangana, Sawyers, Edwards, Peltier, Button
Tottenham: Lloris, Doherty, Alderweireld, Dier, Reguilon, Sissoko, Hojbjerg, Bale, Ndombele, Son, Kane
Subs: Hart, Rodon, Lo Celso, Aurier, Lucas Moura, Davies, Vinicius
Sunday 12pm, Sky Sports Box Office
Venue: The Hawthorns
Referee: Andy Madley
Last meeting: West Brom 1-0 Tottenham (2017-18)
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