By Sam Laskaris Writer One just never knows who is watching. That’s why it’s prudent to try, if possible, to be performing at your best at all times. For example, take the case of Justin Martin, a 25-year-old lacrosse player from Six Nations. By no means is 25 old. But Martin admits he had started to question whether he would ever fulfil his lifelong dream of playing professionally in the National Lacrosse League (NLL). Martin, who spent the spring and summer toiling for the Six Nations Rivermen, a Senior B squad that competes in Ontario Series Lacrosse, is one step closer to fulfilling his goal now. That’s because it was announced this past Friday that he has signed a contract with the NLL’s Toronto Rock. The Rock are one of…