Villa narrowly avoided relegation last season and finished 64 points behind Liverpool, who conceded seven goals in a match in any competition for the first time since 1963.
“It’s hard to lose the way we lost tonight. First and foremost well done to Aston Villa, we have to give them the credit they deserve. It was one of those performances where we weren’t 100% at it from start to finish,” Liverpool defender Virgil van Dijk told Sky Sports.
“Overall, we’re all disappointed, we shouldn’t have lost with the numbers that we did but it’s about sticking together and making sure it doesn’t happen again.”
Liverpool had began badly at Villa Park as a poor pass from Adrian -- deputising for Alisson in goal for the visitors after the Brazilian picked up a shoulder injury -- gifted Watkins his the opener in the fourth minute.