With the Masters underway, a Chicago sports-betting startup is adding golf to its lineup of betting and fantasy sports coverage. And it's partnering with a major golf social media influencer to kickstart its new vertical. Betsperts announced the official launch of Betsperts Golf, which provides betting tools, research and advice to golf fans. It's offering a subscription service for bettors that features content and analysis including video, podcast and written content. It's launching Betsperts...