I have my THS balls with all with the same layout.  But Longer pin to pap balls I own with particle pearl covers from Lane master quickly became my favorite. And hyroad is another ball I cashed with.

The Two PP cover balls both have their own shape but not the "skid snap" reactions associated with "pearl".... I get the length, controllable reaction, and the heavy continuous hit. From really long patterns to medium, these balls helped me stay in the game - except last tourney. I can't bowl with elevation sickness lol

Bowled a very tough doubles tournament today and got blown out the water. While much was me and not the ball, I can't say I felt comfortable using anything I had. 42 foot flat pattern. I'm reconsidering how I approach future purchases. Thinking of keeping a ball or two for tournament only. Seriously considering the 900G X, keep it aside for tournaments only so it stays fresh.

I have a Venator Evolution I use primarily in league because it doesn't fit with the rest of my current arsenal. Other than that I use all my gear in both leagues and tournaments.

To me, my tournament ball has always been my "go to" league ball.  The Gamebreaker 2 is always very consistent and it never over reacts.  If I need more strength, I ball up to the Scandal which is another consistent but strong rolling piece.

I don't really have an answer to this cuz it changes based on lame surface and sometimes pattern.

For me, tournament balls are balls that don't work on my THS.  I don't necessarily reserve them because they work only on tournament conditions, but because they don't work on THS.  Could be anything.

There is enough money in league side pots and brackets that I don't hold back because a ball is so good it should only be used in tournaments.  Use the ball that provides you the best look and highest scores. 

Besides, my odds of winning league side action is many times better than winning a tournament.  Plus, I can always buy another with bracket money.

This is my mindset 100%. I put up $25 a week in side pots in my competitive league or top of the $20 to bowl. I'm giving myself the best chance to win. My best balls are coming out anytime money is on the line (or when I'm practicing on a pattern in preparation for money being on the line).

To be fair, I also bowl in 2 non-competitive leagues with no side pot action. For those leagues, I'll bring the B team to save some wear and tear on the better balls. The B team tends to be balls that I bought second hand out of curiosity or balls with layouts I wanted to try but didn't care for much. These are typically my balls for general practice as well.