By Andrew Gamble Stefon Diggs has shown his competitive spirit by unfollowing his brother and Dallas Cowboys cornerback Trevon Diggs on Instagram after moving to the same state following his trade to the Houston Texans. Diggs joined the Buffalo Bills in 2020, after starting his career with the Minnesota Vikings in 2015. He was picked in the fifth round of the draft and has since become one of the top receivers in the NFL. The 30-year-old has helped the Bills get to the playoffs for the last three years. However, they have not made it to the Super Bowl, even though they are often seen as one of…