It's been almost four years since Mac from "It's Always Sunny in Philadelphia" wrote a letter to Chase Utley asking him to have a catch and complimenting him on his hair.Watch Mac's original video here. (You won't understand if you don't.)

Just when we all thought the Phillies All-Star second baseman was too busy playing baseball to answer Mac back, he finally found some time.

Here is Chase Utley's letter back to Mac — in video form — assuring them their friendship would in fact be a home run. Maybe even a grand slam.

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