Complex sentence: At the height of the Super League War he signed a lucrative deal with the Auckland Warriors in 1995, but returned to Wigan in 1998, and played in the side that lost to Sheffield Eagles in the Challenge Cup Final that year.
Split into simpler sentences: At the height of the Super League War he signed a lucrative deal with the Auckland Warriors in 1995. Betts returned to Wigan in 1998, and played in the side that lost to Sheffield Eagles in the Challenge Cup Final that year.