Every division in baseball outside of the NL Central has a gap of five games or less separating first and second place, bringing more meaning to the full slate of Friday games.All of my best bets feature teams mostly outside of the playoff race, except for the New York Mets, who are four games back of a Wild Card spot. San Francisco Giants vs. Miami MarlinsThe Giants are hosting the Marlins, and Blake Snell is on the mound for San Francisco. He’s 2-3 on the season with a 3.76 ERA. With six runs allowed over his last five starts and 45 strikeouts, including three double-digit strikeout games, Snell has obvious appeal. He’ll oppose Adam Oller, who has started just two games. His last time out, he allowed one earned run and six strikeouts. In his first start of the season, he had five …