Garcia was optioned to Triple-A Lehigh Valley on Sunday, Stephen Gross of the Morning Call reports.
Garcia struggled during his latest stint with the big club, allowing five earned runs off 10 hits over just 5.2 innings. He's put together a solid season at Lehigh Valley, where he owns a 2.58 ERA and 1.21 WHIP after pitching in 39 games. In a corresponding move, the Phillies recalled Adam Morgan.