There are currently more than 4, 000 former NFL players suing the league in a master complaint over head injuries suffered during their playing days with billions of dollars in damages at stake.
"In the auction context, this is really the most intensely moving, powerful and wonderful drawing that we have ever had, " Gregory Rubinstein, Sotheby's head of Old Master drawings, said in an online discussion of the work with other Sotheby's specialists.