Mets Weekend Mailbag: Which player not currently on 25-man roster could make an impact?

The Mets have launched themselves back in to a pennant race, which has opened the floodgates for questions about the current roster, schedule and missing players.

Here are four from Twitter, followed by my answers....

The truth is that only Seth Lugo has been impressive over the course of the full season, while everyone else has been up, down or injured. However, during the past month, multiple relievers have stepped up their game, specifically Justin Wilson and Luis Avilan.

Prior to Friday's game, Wilson had pitched in 15 games since returning from the injured list on July 2. In that time he had faced 49 batters, given up just one run, and struck out 11 batters. This is what he was expected…