Kevin Croucher led the burn squad and Ron Mohr the fresh squad in Thursday’s opening day of the 2019 United States Bowling Congress Super Senior Classic at Sam’s Town in Las Vegas. The Super Senior Classic format features 12 games of qualifying in two 6-game blocks Thursday and Friday, with 1 in 4 players — 50 in the 198-player field — advancing to Saturday’s 6-game cashers round. The top 12 bowlers after the cashers round will advance to match play and be split...