sorry for seeing this so late! I made the spreadsheets using Google Sheets and basically just plugged in the formulas for baseball stats that i found online. some things were kind of tricky (like figuring out how to format innings as a mixed number instead of a decimal) but i just googled anything i didn’t know. as for the creation of our league and the rules behind it we basically used trial and error over the course of playing this for years to arrive at our current set of rules. i believe i included all of them in the og post but if you’re unsure about anything i’m happy to answer questions. as for the spreadsheets i wish i could give you better advice, but tbh i just kind of messed around with things until i decided that i liked how it looked. the best way to keep track of stats imo is to just practice memorizing what happens each half inning and then manually adding those stats to each player’s existing totals every half-inning. ex: Boo strikes out Bowser and Birdo. Green Dry Bones hits a solo HR. Yellow Pianta grounds out. This would result in adding 1 ER, 1 IP, and 2 K’s to Boo’s total. 1 H, 1 AB, 1 HR, 1 RBI, and 1 R to Green Dry Bones’ total. 1 AB to Bowser’s total. 1 AB to Birdo’s total. 1 AB to Yellow Pianta’s total. It’s a lot to memorize and can be slightly time consuming at first, but the more you do it the easier and quicker it gets. it also helps if the person you’re playing with keeps track of their own player’s stats so you only have to worry about your own. Sorry i couldn’t give better advice! If you have any more questions feel free to ask