Pick a storyline from Purdue Monday’s matchup against Yale. There’s Braden Smith, displaying his variety of shot-making skills through the first 14 minutes. Here’s Fletcher Loyer, saddled with two early fouls, putting the Boilermakers on his back in the final 5:43 before halftime. And the play of Trey Kaufman-Renn, who used his muscle and heart at the start of the second half to keep the Bulldog at a distance. Purdue’s talented trio – the backbone of this year’s team – all had their moments during the 92-84 victory at Mackey Arena. The 13-ranked Boilermakers now turn their focus to Friday nigh…