BALTIMORE, MD – APRIL 03: Mark Trumbo #45 of the Baltimore Orioles is greeted at home plate after hitting a walk-off home run against the Toronto Blue Jays during the eleventh inning in their Opening Day game at Oriole Park at Camden Yards on April 3, 2017 in Baltimore, Maryland. The Baltimore Orioles won, 3-2, in the eleventh inning. (Photo by Patrick Smith/Getty Images)

What (if anything) can we learn from the first week of baseball season?