Sources: MLB, union remain divided over full prorated salaries

Major League Baseball's latest economic proposal to players slightly closes the financial gap between the sides but still falls shy of the union's desire for full prorated salaries, leaving the sides at a critical juncture as they work toward a return-to-play agreement, sources familiar with the plan told ESPN.

The league's offer, delivered to the union Friday afternoon, called for a season of 72 games and for players to max out at 80% of their full prorated salaries. The total compensation would be $1.27 billion guaranteed and can max out at $1.5 billion -- including an extra $50 million that would go to playoff teams, making the overall percentage to up 83%. The playoffs would expand from…