Justin Upton of the Arizona Diamondbacks warms up on deck...

Justin Upton of the Arizona Diamondbacks warms up on deck during a game against the Los Angeles Dodgers at Chase Field. (July 7, 2012) Credit: Getty Images

The Mets have gotten superb performances from David Wright and R.A. Dickey in the first half. But the club has numerous areas to upgrade: the bullpen, outfield and catcher. Here are a couple of names the club could look into before the July 31 non-waiver trade deadline.

Upton, a supremely talented hitter and right fielder, may be the marquee name on the position player front. Arizona does not have to trade him—he's signed through the 2015 season. But a lack of production this year has made him expendable. The Diamondbacks would be selling low.

The left-handed reliever was reportedly talked about during conversations for catcher Ramon Hernandez. He has a 5-2 record and 3.48 ERA in three seasons.

The left fielder has an .840 career OPS and .924 OPS this season. But he's playing for the woeful Padres and could be a big help to a contender.

The 28-year-old closer could either lock down the ninth inning for the Mets or solidify the back of the bullpen. Closers are an expensive luxury for a non-contending team like the Padres.

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