The sixth annual Riggs Classic on March 31 at 10 a.m. at Schwoegler’s Entertainment Center will be contested on the 37-foot World Bowling Melbourne lane pattern and the 44-foot World Bowling London lane pattern. The World Bowling lane patterns were re-done in 2017 so the current patterns are not the same as they were in the past. Melbourne, which will be on every right lane, features 26.55 mL of oil with ratios on both sides of 1.58-1 middle to outside track, and 1-1 middle to middle...