When babies don’t agree with something, they cry. When Big Baby doesn’t agree with something, he pulls his pants down (he’s already tried the crying route , and it didn’t go over too well). Former Celtics  forward Glen Davis  pulled a Psycho Steve Lyons  and dropped trou in the midst of a game — protesting an admittedly bad call during the Magic’s 85-83 overtime loss to the Spurs. Watch carefully. It happens about five seconds in. As Celtics head coach Doc Rivers  said Thursday morning on WEEI , thank God this didn’t happen in the jock strap era.