If your main focus is 2bs, I would suggest sorting all available players by 2B/100 AB# and taking from the top 50. Likewise for triples. These stats are searchable if you turn on the advanced search criteria. If I were going for an all-doubles team, I'd set my bottom criteria at 8 2Bs/100# - that would give you around 50 2bs out of each of your players if they get 600 ABs in a season.