Both slugging first basemen began their careers with the Athletics, and are off to eerily similar starts to their big-league careers. Who holds the edge?

Athletics rookie Nick Kurtz pulled off a four-home run and six-hit performance. Here's his historic night by the numbers.

Athletics rookie Nick Kurtz pulled off one of the rarest feats in baseball Friday night in Houston when he hit four home runs in a single game, becoming just the 20th player in MLB history to do so. He is the second player this season to accomplish such a feat,

Athletics first baseman Nick Kurtz set another team record, tying pitcher Barry Zito with his second straight AL Player of Week win.

Nick Kurtz of the Athletics has become the first rookie in Major League Baseball history to hit four home runs in a game.

Athletics first baseman Nick Kurtz made history on Friday night as the first rookie to ever hit four home runs in an MLB game.

Athletics DH Nick Kurtz made MLB history Friday night, becoming the first rookie to hit four home runs in a single game.

Nick Kurtz became the first major league rookie to hit four homers in a game, leading the Athletics to a 15-3 victory over the Houston Astros

Athletics first baseman Nick Kurtz had one of the greatest games in MLB history on Friday night, going 6-for-6 with four homers and eight RBI in a 15-3 win over the Houston Astros.

One night after a performance for the ages from Nick Kurtz, all eyes were on the Athletics rookie first baseman Saturday night to see what he might have in store for an encore.