Ian Maatsen continued his great start to life at Borussia Dortmund in last night’s win against Freiburg. Ian Maatsen, 21, spent the first half of the season as a squad player at Chelsea. However, the Blues decided to send the youngster out on loan to Dortmund for the rest of the campaign. The attack-minded left-back now has four wins and a draw in his opening five Bundesliga appearances in Dortmund colours. He provided a pinpoint cross to assist a goal in his side’s 3-0 victory over Freiburg yesterday. Maatsen starred yet again in Dortmund colours this week as he cements his spot in the Dortmu…