As No. 18 Yale men’s lacrosse gets ready to open up conference play against No. 14 Cornell on March 19, here’s your cheat sheet as to what’s happening around the Ivy League.

In the March 6 USILA (United States Intercollegiate Lacrosse Association) coaches poll, four of the seven Ivy League teams are ranked in the Top 20 nationally. Princeton is currently ranked No. 7, with Penn close behind at No. 9.

Brown (2-2)

Early season losses to unranked Hartford and Quinnipiac dropped Brown out of the Top 20. The team bounced back with an 11-4 win over St. Joseph’s on Saturday, March 12 and opens conference play at home against unranked Harvard on March 19.

Columbia

JK. Columbia doesn’t have a lax team.

No. 14 Cornell (3-2)

Cornell has yet to beat a ranked opponent, losing both to No. 16 Army and more recently to No. 2 Virginia. Led by Junior attackman Rob Pannell, the Big Red were picked to finish second in the Ivy League by Inside Lacrosse in a pre-season poll. Cornell will have its third opportunity to beat a ranked opponent, when they head to Yale on March 19.

Dartmouth (3-1)

Dartmouth won its third straight game on Wednesday, March 9, after opening its season with a loss at home against unranked Colgate. Dartmouth plays next against No. 12 Duke, a team coming off of two big wins against No. 8 Maryland and No. 10 Loyola.

Harvard (3-1)

While unranked, Harvard’s only loss on the season came against No. 4 Hofstra. Since the release of the USILA poll, Harvard has won two games, defeating a solid Georgetown team 16-15 on March 8 and a not-so-solid Bellarmine squad 21-10 on Saturday, March 12. The Crimson play at Brown on March 19.

No. 7 Penn (3-2)

Penn started off the season strong, with a giant 7-3 upset over then No. 10 Duke. The Quakers will almost definitely drop in the rankings, after suffering two losses to lower ranked opponents this week. First they fell 12-6 on Tuesday to No. 15 North Carolina, before dropping a 9-8 nail biter to No. 20 Villanova on Saturday, March 12. Penn opens its Ivy League campaign at home against Princeton on March 19.

No. 9 Princeton (1-2)

Like the Quakers, Princeton also fell to No. 15 North Carolina this week — in this case by a score of 9-5. The Tigers’ only victory came against No. 11 Johns Hopkins, handing the Blue Jays their only defeat of the 2011 season. Princeton was picked to finish first in the Inside Lacrosse Pre-Season Ivy League rankings. The Dirty Jerz representatives play next at Penn on March 19.

No. 18 Yale (4-0)

The only undefeated team in the Ivy League, Yale has yet to face a ranked opponent. The Bulldogs’ greatest challenges have come from the St. John’s Red Storm and the Lehigh Mountain Hawks, who they beat by scores of 10-8 and 10-6, respectively. Yale faces off against its first Top 20 opponent on March 19, when they butt heads with the No. 14 Cornell Big Red, live from Reese Stadium.