It would be difficult to imagine a milestone that Tim McGraw hasn’t achieved. But recently, McGraw crossed a monumental milestone when he entertained thousands of fans at Fenway Park. Videos by American SongwriterMarking his first performance at the historic park, McGraw celebrated the moment with a special post on Instagram. Kicking off the tour just a few weeks ago, the country singer will travel the country before ending in September. After finally checking Fenway Park off his bucket list, McGraw showed there are still plenty of career firsts left to achieve.