By Madison Williams Washington’s rookie running back played on Sunday, just six weeks after he was shot in a robbery attempt. Commanders rookie running back Brian Robinson Jr. took the field for the first time in his NFL career Sunday against the Titans, just six weeks after he was shot multiple times in a robbery attempt. The 23-year-old was activated from the non-football injury list on Thursday, a day after he returned to practice for the first time since the scary incident. It was quite the week for Robinson, as he also earned a starting position on Sunday. Robinson was announced last amon…