In professional baseball, the bat must be made from a single solid piece of wood thus the use of corked bats during games is illegal. Still, corked bats have turned up several times in major league play, most recently by Sammy Sosa.
What baseball bats are illegal?
5 Best Illegal Bats Of All-Time
- DeMarini CF Zen. ...
- Marucci CAT 5 BBCOR. ...
- RIP-IT Prototype. ...
- COMBAT B2 Youth. ...
- Louisville Slugger oneX Fastpitch.
How can you tell if a bat is corked?
A corked bat has (slightly) less mass.
More importantly, the location of the center-of-mass of the bat would shift slightly towards the handle end of the bat. This means that the moment of inertia of the bat would decrease and it would be easier to swing.
