By Kyle Wood Spread, over/under and prop bets for Wednesday’s Nets-Celtics game in Boston. The Celtics are large home favorites. The Celtics have owned the Nets for the past calendar year. Boston has won the last five regular-season meetings between the two teams, in addition to its first-round playoff sweep last April to make it nine in a row overall against Brooklyn. The Atlantic Division foes face off for the third time this season and for the first time at TD Garden on Wednesday. The Celtics won the first two games at Barclays Center, both by 11 points: 103-92 in early December and 109-98 …