Full list of all 11 R.B.I. Baseball 17 achievements worth 1,000 gamerscore. It takes around 60-80 hours to unlock all of the achievements on Xbox One.
Pitch a no-hitter with 5 or more pitchers (excluding Easy mode)
Hit a grand slam (any mode)
Pitch a complete game shutout on Hard with Standard fielding
Strike out the side vs CPU, allowing no baserunners
Hit 1000 RBIs (any mode)
Win three 9-inning games on Hard (season mode only)
Mercy the CPU (doesn't work in Easy Mode)
Beat the 2016 HR leader: 48 Home Runs in a season with a single player
Beat the 2016 RBI leader: 124 Runs in a season with a single player
Beat the 2016 Strikeouts leader: 285 Strikeouts in a season with a single player
Win the World Series (Season Mode only)