The Marucci Albert Pujols Maple Wood Baseball Bat: AP5NB Adult would be approved for your tournament based on the rules that have been provided as this bat is constructed from a solid piece of maple wood.
This Marucci Albert Pujols Maple Wood Baseball Bat (AP5NB Adult) is a well-built bat, however, if you were to take a pitch off the end of the bat -or- the handle, there is a solid chance that the bat may break. That being said, this bat does carry a short 30 day warranty from the purchase date and if the bat broke within that time-period, you would be eligible to return to Marucci for a warranty replacement bat.
The main differences between the Marucci Albert Pujols Maple Wood Baseball Bat: AP5NB Adult and the youth model is the barrel diameter and length to weight ratio. A youth model will have a 2 1/4" barrel diameter while the adult has a 2 1/2" barrel diameter. As well, a youth model will be -5 length to weight ratio while the adult model is a -3.