14. Dave Kingman
Dave Kingman had an odd career as a Met. He had two three-year stints in Queens. One from 1975-1977, and the other from 1981-1983. During his time as a Met, he split time between left field and first base, but played more in left than at first which is why he's on this list.
Kingman was ahead of his time as a player. The definition of an "all or nothing" type of hitter. He'd strikeout or hit a home run. Kingman slashed .219/.287/.453 with 154 home runs and 389 RBI. The 154 home runs are good for fifth in franchise history. He averaged 26 home runs per season as a Met which for that time especially is impressive.
The reason Kingman isn't higher on this list is he literally didn't do anything else. He was atrocious in the field which is why he rotated between left field and first base. He didn't have speed, didn't hit many singles.
The lack of outfield depth and the fact that he's fifth on the franchise's home run list is why Kingman is on this list.