Walden: MLB has loads of silly ‘unwritten rules;’ NBA apparently has but one, which is one too many

Denver Nuggets guard Jamal Murray, right, drives the lane as Boston Celtics center Al Horford, left, and guard Kyrie Irving, center, defend in the first half of an NBA basketball game Monday, Nov. 5, 2018, in Denver. (AP Photo/David Zalubowski)