Joey Bart is showing no signs of slowing down. 

The Giants top prospect clubbed two home runs Saturday for the third multi-homer game of his professional career, and his first with the Class-A Advanced San Jose Giants. San Jose lost 8-7 to the Stockton Ports, and Bart's home runs got the Giants back into the game in both instances. 

With San Jose trailing 1-0 in the top of the fourth inning, Bart worked a 2-0 count off of Ports pitcher James Kaprielian. On the third pitch of the at-bat, Bart went yard. 

The Giants trailed 4-1 with one out in the top of the sixth when Bart stepped to the plate for his third at-bat. Once again, the third pitch was the charm for the 22-year-old. 

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Bart finished the night 2-for-5 at the plate, raising his batting average to .264 and his OPS to .962 this season. He's batting just 4-for-16 since returning from a fractured hand, but his power has been on full display.

If that continues, it's only a matter of time before Bart works his way up the minor league ladder.