Ben Affleck has landed a high-profile Hollywood sober coach — Matt Damon! “Matt has pushed aside his problems with Ben because he wants to make sure he can help his Beantown buddy beat his demons,” an insider snitched to The National ENQUIRER. The Oscar-winning pals reunited at the World Series in Los Angeles to cheer on their hometown Boston Red Sox — after not being seen together in months! “Matt and his wife, Luciana, were steering clear of Ben because of his own career concerns and their close relationship to Jennifer Garner,” the source said. Read on for details of Ben and Matt’s rekindled bromance, and click here for more news of celebrity rehab….