This bet has landed in 1/5 games for Trossard this season. Last season, the opponent Crystal Palace averaged 4.55 shots on targets against them per 90. When you take all teams with similar stats from last season (between 4.00-5.00 shots on target against them per 90), it can be seen that Trossard managed 2+ shots on target against them In 3/12 starting games. This is a small sample, but a good reference nonetheless. Other bookmakers have this between 4.50-5.50. Worth a unit.