Following a rocky two years with the Denver Broncos, Russell Wilson is gearing up for his first season in Pittsburgh with the Steelers. He got his release from the Broncos, who paid him $39 million as a result, and is going through minicamp in Pittsburgh as the expected starting quarterback. Through offseason workouts, Wilson admitted there’s a big difference between his time in Denver and in Pittsburgh. He’s coming to work with a new energy as a result. Wilson spoke highly of his mentality as mandatory minicamp got underway. He’s feeling more upbeat, and it’s leading to a higher level of conf…