Getty Former Detroit Lions quarterback Adrian Martinez throwing a pass during an NFL game. Adrian Martinez had only a brief NFL stint with the Detroit Lions , but took full advantage of a new opportunity when he jumped to the UFL and became the league’s top quarterback. Now, Martinez is making a big bet on himself. The reigning UFL MVP opted not to return to the spring football league, instead signing with a new NFL team to compete for the shot at a backup job. Adrian Martinez Starred in UFL