Miami Marlins vs San Francisco Giants Odds, Picks and Predictions 4/23/21. The Giants are currently -136 home favorites against the spread and the total is at 7 runs. Plus Get 6 Top Rated NBA and MLB Picks by going to, https://www.smpicks.com/ Get Friday-Sunday Access and take advantage of the information behind these 3 NBA Expert Picks and 3 MLB Expert Picks that are backed up by over 35 years of handicapping experience.