At about 10:57 p.m. on May 16, a 42-year-old man named Rick Garrity was exiting Wrigley Field in Chicago when he apparently tried to climb a 36-inch rail on a ramp leading from the upper deck, according to Chicago Cubs and police officials.

After the Ricketts family purchased the Cubs in 2009, team President Crane Kenney offered Tom Ricketts two items for his windowless office — a mousetrap and a fly swatter.

The Oakland A’s are now focusing on two sites in the city for a new ballpark: Laney College near Lake Merritt and Howard Terminal on the waterfront next to Jack London Square, according to four knowledgeable sources. Two of those sources say the Laney College property has edged into the lead as the team’s preferred spot. The A’s now view the Oakland Coliseum site as a distant-third choice.