Ketel Marte, second baseman for the Arizona Diamondbacks, was unexpectedly scratched from the lineup before Monday night’s game against the San Diego Padres at Petco Park.Steve Gilbert, an MLB.com reporter, reported that Marte would miss the game against the Padres due to a groin issue."Per the @Dbacks, Ketel Marte was scratched due to right groin tightness. He is being given a day off for recovery and is expected to be day-to-day."According to CBS Sports, Marte will be re-evaluated on Tuesday.Marte has been a strong player for Arizona this season. The 30-year-old is hitting .293 with 19 home runs, 40 RBIs and a 0.982 OPS heading into the All-Star break. Ketel Marte's absence and changes in Arizona's lineupSan Francisco Giants v Arizona Diamondbacks - Source: GettyWith Marte unable to play, the Diamondbacks were forced into making some last-minute changes. The second base role and ninth batting position shifted to Blaze Alexander, while Geraldo Perdomo moved to the second spot in the batting order.The Diamondbacks defeated the Padres 6-3 on Monday night on the back of a stellar performance from Zac Gallen. Gallen pitched six innings, allowing no earned runs. He struck out nine batters and allowed just one walk on 103 pitches.Arizona's offense finished with nine hits and six walks.