By Mike McDaniel After another day of tense negotiations, the MLBPA and MLB remain at a stalemate. View the original article to see embedded media. Major League Baseball did not respond well to the MLB Players Association’s updated proposal on Saturday, according to multiple reports. ESPN’s Jeff Passan notes that multiple officials believe that a deal will not get done by the league’s Monday deadline, which would put Opening Day in serious jeopardy. Following MLB’s reaction to the union’s proposal, the players are now considering walking away from the negotiating table, according to Chelsea Ja…