Celtic ended the final stage of the US Tour with a superb 4-1 win over Chelsea in Indiana last night. Brendan Rodgers’ side will return to Scotland after the three-fixture tour which saw Celtic defeat DC United, beat Man City and also teach Enzo Maresca’s team a lesson as they gave the Stateside fans a footballing treat. The great work on the pitch has been matched with Celtic’s business off it as they raised the club’s profile with a visit to The White House, taking in a Major League baseball game and, of course, extending their charitable arm across The Pond. We have discussed previously how…