The owners locked out the players largely because the two sides disagreed on salary arbitration eligibility.

When the owners locked out the players from spring training camps in 1990, Vincent helped negotiate an agreement with the union.

The league locked out the players to start the 1994-95 season, cutting each team's schedule to 48 games.

Pete started out easy and tried to weed out the players at the end.

If, on the other hand, the owners locked out the players in anticipation of a strike, those players would be entitled to their pay.

A decade later, in 2004-05, the owners locked out the players again, becoming the first professional sports league to cancel an entire season.

Now, 10 years later, Bettman and the owners have once again locked out the players over the same issues.

The league last locked out the players in 1994-95, a 103-day struggle that shortened the 82-game regular season to 48 games.

The three times the owners locked out the players, they missed spring training time.

Later, the owners locked out the players in a labor dispute.