The England international was celebrated amid snowy conditions and his team-mates made sure it was a successful afternoon for him, with Joel Monaghan, Rhys Evans, Brett Hodgson and Chris Riley scoring.
Warrington's team was a little stronger than Wigan's, with the Warriors not using the likes of Man of Steel Sam Tomkins and captain Sean O'Loughlin.
Warrington fielded a virtually full-strength side, with 4,696 fans turning out to celebrate Westwood's career with the club which has taken in three Challenge Cup wins.
Wigan start their Super League campaign at Salford on Friday, with Warrington at home to Castleford next Sunday.
- Sports & Recreation
- Joel Monaghan
- Brett Hodgson