"Obviously they’ll need a little more trial and error. But it’s a good idea,” said Drew Gilbert, who initiated the very first challenge.

Drew Gilbert became the first player to challenge a check swing call in the Arizona Fall League, and the Mets top prospect drew a walk after winning his appeal.

Mets prospect Drew Gilbert had his best game in this year's Arizona Fall League on Wednesday, smashing two home runs in a three-hit day.

Painter, who goes by Andy, threw three scoreless innings in his third start of the Arizona Fall League (AFL) on Thursday. He allowed one hit, striking out three and walking none. Painter pounded the zone relentlessly. 26 of his 32 pitches were strikes.