In the waning hours of 2019, Major League Baseball reversed its longstanding policy and took cannabis off its list of banned substances. The question, of course, is what 2020 will bring. Will other pro leagues follow suit? What can it mean for amateur sports, particularly those traveling to states where marijuana is legal? Here are some predictions.

We've already seen sports tourism as a key to helping Puerto Rico come back from disaster, including crippling debt in 2015 and Hurricane Maria in 2017. Now, it will be called upon again as the island struggles to recover from a 6.4 magnitude earthquake. Here are some of the events planned for the island and what they might be able to accomplish.

The game-day lineup for the 2020 Super Bowl includes a squishy green fruit, a ton of beer and several political candidates, as well as lots of cars. But it won't have the U.S. military. The Navy, a longtime football advertiser, is putting its money into a different game that plays out on a digital field. That, it says, is where its target market hangs out.

While we've seen plenty of virtual races in the marketplace, 2020 marks one of the most high-profile competitive events so far. Virtual fitness platform Zwift, a marriage between esports and activity that takes place IRL, has already kicked off its 2020 Tour de Zwift. Last year, nearly 120,000 athletes took part and 2020 looks to be even bigger.

Super Bowl fever is in high gear. But playing out in a shadow economy, not far from the Hard Rock Stadium, is another battle: the stealth game of the dealers who sell cut-rate merch from China, and the solid defense of U.S. governmental agencies. The shock bottom line is that it stands to affect the host cities and legitimate merchants there.

World marathon record-setter Meb Keflezighi won't be there. Neither will anyone on Team USA, in all likelihood. But a goofy promotion in the form of a run is garnering national attention and social media impressions in an (ahem) runaway fashion this week. What can we learn from Miles Per Hour, the running event debuting at the Chicago Auto Show?