The term 'DIAMOND STATS' refers to a set of statistics used in baseball to measure the performance of a player. The acronym ERAS stands for Earned Run Average, which is the average number of earned runs a pitcher allows per nine innings. DPS stands for Defensive Putouts and Assists, which is the total number of putouts and assists a fielder has made. MIDI stands for Maximum Individual Defensive Impact, which is a statistic that measures the defensive value of a player. RBIS stands for Runs Batted In, which is the total number of runs a batter has driven in. ATBATS stands for At Bats, which is the total number of times a batter has gone up to bat. Finally, STEALS stands for Stolen Bases, which is the total number of bases a runner has stolen.