Foods That Contain Vitamin B3. The vitamin B3 we get from food includes preformed niacin and the amino acid tryptophan, which can be converted to niacin in the body.Food composition tables, however, list only preformed niacin.oods That Contain Vitamin B3. The vitamin B3 we get from food includes preformed niacin and the amino acid tryptophan, which can be converted to niacin in the body.
On base percentage plus slugging percentage (OPS) is a relatively new measurement of a hitterâs performance in baseball. It essentially measures the playerâs ability to hit the ball, and also to get safely to base. Thus many look to OPS as a valuable tool for assessing the offensive skill of a player.
Sporting Charts explains On-base Plus Slugging Percentage - OPS. A player with a high On-Base Plus Slugging Percentage (OPS) is typically able to both get on base and hit for power. Players with an OPS of .900 or higher are generally considered to be the best and most desirable hitters. The all-time leader in OPS (minimum 3000 plate appearances) is Babe Ruth at 1.1638.