3 potential reasons why WWE booked the Undertaker and Goldberg to appear on separate shows

#1 Both the legends will take part in squash matches

Goldberg has not wrestled a single match in the last 2 years

Both Goldberg and the Undertaker have been away from the ring for quite a while now. While the Undertaker wrestled his last match at WWE Crown Jewel in November, 2018, Goldberg's last in-ring appearance came at WrestleMania 33 in 2017. So, there may be a possibility that WWE would want to give them an opportunity to remove their ring rust.

The Undertaker had a confrontation with Elias on the RAW after WrestleMania 35, hence, it WWE might book a match between the two superstars on this week's RAW. Similarly, WWE can announce a match between any lower mid-card heel of the 'B' show and Goldberg for SmackDown Live.

If WWE would have booked two squash matches on the same show then they may have drawn a ton criticism from the fans. However, the WWE Universe would not mind two squash matches on two different shows in order to hype the legendary match at Super Showdown.