Everytime a batter gets up and does not get a hit whether he flies out grounds out or hits into a fielder's choice its -2 points. Each time a batter strikes out its -3 points. A walk or a hbp is +3 A single is worth 5, double 10, triple 15, homerun 20. Each run scored is 5 and each rbi is 5 (meaning each solo homerun will get you 30 points) A stolen Base is worth 10 and if the guy is caught stealing its -5.
For pitching its 15 points per inning (5 per out) each hit that is given up is -5 each Earned Run is -10. Each walk or batter hit is -3. A lose for a pitcher is -15 and a win is +30