Around this time of year, the speculation usually picks up about possible two-sport athletes and whether top pros from one sport could hack it in the NBA, with the NBA Finals set to begin. There’s one NFL quarterback that can make a very compelling case: Indianapolis Colts quarterback Anthony Richardson. Richardson was an elite multi-sport athlete in high school, averaging 10.5 points and 7.5 rebounds per game as a junior while shooting 53% from the floor. And in his mind, there’s no doubt he could hoop it up in the NBA. “Oh man I could definitely be in the NBA,” Richardson said on a recent ap…